{"id":18,"date":"2026-09-02T09:34:17","date_gmt":"2026-09-02T01:34:17","guid":{"rendered":"https:\/\/www.xiayanxi.cn\/?p=18"},"modified":"2026-09-02T09:34:17","modified_gmt":"2026-09-02T01:34:17","slug":"centos6-5-%e9%85%8d%e7%bd%aeemail%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/www.xiayanxi.cn\/index.php\/2026\/09\/02\/centos6-5-%e9%85%8d%e7%bd%aeemail%e6%9c%8d%e5%8a%a1\/","title":{"rendered":"Centos6.5 \u914d\u7f6eemail\u670d\u52a1"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u6574\u4e2a\u5b89\u88c5\u8fc7\u7a0b\uff0c\u6211\u4ece\u7ec8\u7aef\u590d\u5236\u8fc7\u6765\u7684\uff0c\u8f93\u5165\u7684\u547d\u4ee4\u53ef\u4ee5\u770b\u4ee5[root@localhost\u2026\u2026]\u5f00\u5934\u7684\uff0c\u5c31\u662f\u8f93\u5165\u7684\u64cd\u4f5c\u547d\u4ee4\u3002\u5176\u4e2d\u914d\u7f6e\u6587\u4ef6\u8be5\u505a\u7684\u66f4\u6539\u5185\u5bb9\uff0c\u7ec8\u7aef\u65e0\u6cd5\u663e\u793a\uff0c\u6709\u9700\u8981\u53ef\u4ee5\u518d\u7559\u8a00\u677f\u7ec6\u5316\u5c55\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u6237xia01@21ysjxb.com \u53d1\u90ae\u4ef6\u7ed9 xia02@21yjsxb.com,\u767b\u5f55xia02\u67e5\u770b\u90ae\u4ef6\u3002\u6548\u679c<br><img decoding=\"async\" alt=\"\u56fe\u7247\" class=\"\" src=\"https:\/\/a1.qpic.cn\/psc?\/V11gmrL81dwXIQ\/bqQfVz5yrrGYSXMvKr.cqSsMkJH6fk6BH6.BvXxOVxu2NzcccdsBJ2tAxaQ.C.45ZJAyByXiZwwvtzfTt7SYhqwhQiGbTr.T.0i*b4mbTNc!\/b&amp;ek=1&amp;kp=1&amp;pt=0&amp;bo=HwM5Ah8DOQIDEDU!&amp;tl=1&amp;su=0240090879&amp;tm=1788310800&amp;dis_t=1788312823&amp;dis_k=d1d858440b0dff98a6d17692c59987e6&amp;sce=0-12-12&amp;rf=0-2-9\"><br><br><img decoding=\"async\" alt=\"\u56fe\u7247\" class=\"\" src=\"https:\/\/a1.qpic.cn\/psc?\/V11gmrL81dwXIQ\/bqQfVz5yrrGYSXMvKr.cqVjM5bgcFVKiMjPdnFHpDZmhRfmwtHd1w.OmETtU52RhuXiLCReIfFtS9fAB6mAbRlRTGIRGbaNZFS7A0QQZueA!\/b&amp;ek=1&amp;kp=1&amp;pt=0&amp;bo=iwM1AosDNQIDEDU!&amp;tl=1&amp;su=046738111&amp;tm=1788310800&amp;dis_t=1788312823&amp;dis_k=444e1e3f3ba57b4fe6778abcab45f918&amp;sce=0-12-12&amp;rf=0-2-9\"><br><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[root@localhost yum.repos.d]#&nbsp;yum install -y sendmail-cf<br>[root@localhost yum.repos.d]#&nbsp;yum install -y sendmail<br>[root@localhost yum.repos.d]# yum install -y m4<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>Package m4-1.4.13-5.el6.x86_64 already installed and latest version<br>Nothing to do<br>[root@localhost yum.repos.d]# yum install -y docecot<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>No package docecot available.<br>Error: Nothing to do<br>[root@localhost yum.repos.d]# yum install -y dovecot<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>Resolving Dependencies<br>&#8211;&gt; Running transaction check<br>&#8212;&gt; Package dovecot.x86_64 1:2.0.9-7.el6 will be installed<br>&#8211;&gt; Finished Dependency Resolution<br><br>Dependencies Resolved<br><br>================================================================================<br>&nbsp;Package&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Arch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Repository&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Size<br>================================================================================<br>Installing:<br>&nbsp;dovecot&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; local_server&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.9 M<br><br>Transaction Summary<br>================================================================================<br>Install&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 Package(s)<br><br>Total download size: 1.9 M<br>Installed size: 5.7 M<br>Downloading Packages:<br>Running rpm_check_debug<br>Running Transaction Test<br>Transaction Test Succeeded<br>Running Transaction<br>&nbsp; Installing :1:dovecot-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br>&nbsp; Verifying&nbsp; : 1:dovecot-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br><br>Installed:<br>&nbsp; dovecot.x86_64 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;<br><br>Complete!<br>[root@localhost yum.repos.d]# yum install -y dovecot-mysql<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>Resolving Dependencies<br>&#8211;&gt; Running transaction check<br>&#8212;&gt; Package dovecot-mysql.x86_64 1:2.0.9-7.el6 will be installed<br>&#8211;&gt; Finished Dependency Resolution<br><br>Dependencies Resolved<br><br>================================================================================<br>&nbsp;Package&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Arch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Repository&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Size<br>================================================================================<br>Installing:<br>&nbsp;dovecot-mysql&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; local_server&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38 k<br><br>Transaction Summary<br>================================================================================<br>Install&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 Package(s)<br><br>Total download size: 38 k<br>Installed size: 18 k<br>Downloading Packages:<br>Running rpm_check_debug<br>Running Transaction Test<br>Transaction Test Succeeded<br>Running Transaction<br>&nbsp; Installing :1:dovecot-mysql-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br>&nbsp; Verifying&nbsp; : 1:dovecot-mysql-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br><br>Installed:<br>&nbsp; dovecot-mysql.x86_64 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>Complete!<br>[root@localhost yum.repos.d]# yum install -y dovecot-pgsql<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Existing lock \/var\/run\/yum.pid: another copy is running as pid 3295.<br>Another app is currently holding the yum lock; waiting for it to exit&#8230;<br>&nbsp; The other application is:PackageKit<br>&nbsp;&nbsp;&nbsp; Memory :&nbsp; 31 M RSS (339 MB VSZ)<br>&nbsp;&nbsp;&nbsp; Started: Thu May 12 14:27:50 2022 -00:04 ago<br>&nbsp;&nbsp;&nbsp; State&nbsp;: Sleeping, pid: 3295<br>Existing lock \/var\/run\/yum.pid: another copy is running as pid 3297.<br>Another app is currently holding the yum lock; waiting for it to exit&#8230;<br>&nbsp; The other application is:PackageKit<br>&nbsp;&nbsp;&nbsp; Memory :&nbsp; 24 M RSS (331 MB VSZ)<br>&nbsp;&nbsp;&nbsp; Started: Thu May 12 14:27:56 2022 -00:00 ago<br>&nbsp;&nbsp;&nbsp; State&nbsp;: Running, pid: 3297<br>Another app is currently holding the yum lock; waiting for it to exit&#8230;<br>&nbsp; The other application is:PackageKit<br>&nbsp;&nbsp;&nbsp; Memory :&nbsp; 31 M RSS (339 MB VSZ)<br>&nbsp;&nbsp;&nbsp; Started: Thu May 12 14:27:56 2022 -00:02 ago<br>&nbsp;&nbsp;&nbsp; State&nbsp;: Sleeping, pid: 3297<br>Another app is currently holding the yum lock; waiting for it to exit&#8230;<br>&nbsp; The other application is:PackageKit<br>&nbsp;&nbsp;&nbsp; Memory :&nbsp; 31 M RSS (339 MB VSZ)<br>&nbsp;&nbsp;&nbsp; Started: Thu May 12 14:27:56 2022 -00:04 ago<br>&nbsp;&nbsp;&nbsp; State&nbsp;: Sleeping, pid: 3297<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>Resolving Dependencies<br>&#8211;&gt; Running transaction check<br>&#8212;&gt; Package dovecot-pgsql.x86_64 1:2.0.9-7.el6 will be installed<br>&#8211;&gt; Processing Dependency: libpq.so.5()(64bit) for package:1:dovecot-pgsql-2.0.9-7.el6.x86_64<br>&#8211;&gt; Running transaction check<br>&#8212;&gt; Package postgresql-libs.x86_64 0:8.4.18-1.el6_4 will be installed<br>&#8211;&gt; Finished Dependency Resolution<br><br>Dependencies Resolved<br><br>================================================================================<br>&nbsp;Package&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Arch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Repository&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Size<br>================================================================================<br>Installing:<br>&nbsp;dovecot-pgsql&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; local_server&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 41 k<br>Installing for dependencies:<br>&nbsp;postgresql-libs&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8.4.18-1.el6_4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; local_server&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 201 k<br><br>Transaction Summary<br>================================================================================<br>Install&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2 Package(s)<br><br>Total download size: 241 k<br>Installed size: 650 k<br>Downloading Packages:<br>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br>Total&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11 MB\/s | 241 kB&nbsp;&nbsp;&nbsp;&nbsp; 00:00&nbsp;&nbsp;&nbsp;&nbsp;<br>Running rpm_check_debug<br>Running Transaction Test<br>Transaction Test Succeeded<br>Running Transaction<br>&nbsp; Installing : postgresql-libs-8.4.18-1.el6_4.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/2<br>&nbsp; Installing :1:dovecot-pgsql-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2\/2<br>&nbsp; Verifying&nbsp; : 1:dovecot-pgsql-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/2<br>&nbsp; Verifying&nbsp; : postgresql-libs-8.4.18-1.el6_4.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2\/2<br><br>Installed:<br>&nbsp; dovecot-pgsql.x86_64 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>Dependency Installed:<br>&nbsp; postgresql-libs.x86_640:8.4.18-1.el6_4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>Complete!<br>[root@localhost yum.repos.d]# yum install -y dovecot-pigeonhole<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Existing lock \/var\/run\/yum.pid: another copy is running as pid 3299.<br>Another app is currently holding the yum lock; waiting for it to exit&#8230;<br>&nbsp; The other application is:PackageKit<br>&nbsp;&nbsp;&nbsp; Memory :&nbsp; 31 M RSS (339 MB VSZ)<br>&nbsp;&nbsp;&nbsp; Started: Thu May 12 14:28:12 2022 -00:03 ago<br>&nbsp;&nbsp;&nbsp; State&nbsp;: Sleeping, pid: 3299<br>Another app is currently holding the yum lock; waiting for it to exit&#8230;<br>&nbsp; The other application is: PackageKit<br>&nbsp;&nbsp;&nbsp; Memory :&nbsp; 31 M RSS (339 MB VSZ)<br>&nbsp;&nbsp;&nbsp; Started: Thu May 12 14:28:12 2022 -00:05 ago<br>&nbsp;&nbsp;&nbsp; State&nbsp;: Sleeping, pid: 3299<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>Resolving Dependencies<br>&#8211;&gt; Running transaction check<br>&#8212;&gt; Package dovecot-pigeonhole.x86_64 1:2.0.9-7.el6 will be installed<br>&#8211;&gt; Finished Dependency Resolution<br><br>Dependencies Resolved<br><br>================================================================================<br>&nbsp;Package&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Arch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Repository&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Size<br>================================================================================<br>Installing:<br>&nbsp;dovecot-pigeonhole&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; local_server&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 98 k<br><br>Transaction Summary<br>================================================================================<br>Install&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 Package(s)<br><br>Total download size: 98 k<br>Installed size: 222 k<br>Downloading Packages:<br>Running rpm_check_debug<br>Running Transaction Test<br>Transaction Test Succeeded<br>Running Transaction<br>&nbsp; Installing :1:dovecot-pigeonhole-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br>&nbsp; Verifying&nbsp; :1:dovecot-pigeonhole-2.0.9-7.el6.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br><br>Installed:<br>&nbsp; dovecot-pigeonhole.x86_641:2.0.9-7.el6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>Complete!<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]# chkconfig &#8211;levle 2345 postfix off<br>&#8211;levle:&nbsp;\u672a\u77e5\u7684\u9009\u9879<br>[root@localhost yum.repos.d]# chkconfig &#8211;level 2345 postfix off<br>[root@localhost yum.repos.d]# chkconfig &#8211;level 2345 named on<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]# ls<br>bak242&nbsp; local.repo<br>[root@localhost yum.repos.d]# vim \/var\/named\/21yjsxb.zone<br>[root@localhost yum.repos.d]# nslookup -q=mx 21yjsxb.com<br>Server:&nbsp;&nbsp;&nbsp;&nbsp; 192.168.242.100<br>Address:&nbsp;&nbsp;&nbsp; 192.168.242.100#53<br><br>21yjsxb.com mail exchanger = 5mail.21yjsxb.com.<br><br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]# useradd xia01<br>[root@localhost yum.repos.d]# passwd xia01<br>\u66f4\u6539\u7528\u6237&nbsp;xia01&nbsp;\u7684\u5bc6\u7801 \u3002<br>\u65b0\u7684 \u5bc6\u7801\uff1a<br>\u65e0\u6548\u7684\u5bc6\u7801\uff1a \u8fc7\u4e8e\u7b80\u5355\u5316\/\u7cfb\u7edf\u5316<br>\u65e0\u6548\u7684\u5bc6\u7801\uff1a \u8fc7\u4e8e\u7b80\u5355<br>\u91cd\u65b0\u8f93\u5165\u65b0\u7684 \u5bc6\u7801\uff1a<br>passwd\uff1a \u6240\u6709\u7684\u8eab\u4efd\u9a8c\u8bc1\u4ee4\u724c\u5df2\u7ecf\u6210\u529f\u66f4\u65b0\u3002<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]# useradd xia02<br>[root@localhost yum.repos.d]# passwd xia02<br>\u66f4\u6539\u7528\u6237&nbsp;xia02&nbsp;\u7684\u5bc6\u7801 \u3002<br>\u65b0\u7684 \u5bc6\u7801\uff1a<br>\u65e0\u6548\u7684\u5bc6\u7801\uff1a \u8fc7\u4e8e\u7b80\u5355\u5316\/\u7cfb\u7edf\u5316<br>\u65e0\u6548\u7684\u5bc6\u7801\uff1a \u8fc7\u4e8e\u7b80\u5355<br>\u91cd\u65b0\u8f93\u5165\u65b0\u7684 \u5bc6\u7801\uff1a<br>passwd\uff1a \u6240\u6709\u7684\u8eab\u4efd\u9a8c\u8bc1\u4ee4\u724c\u5df2\u7ecf\u6210\u529f\u66f4\u65b0\u3002<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]#<br>[root@localhost yum.repos.d]# cd \/home<br>[root@localhost home]# ls<br>VMwareTools-10.2.5-8068393.tar.gz<br>vmware-tools-distrib<br>xb242<br>xia01<br>xia02<br>[root@localhost home]# mkdir -p \/home\/xia01\/mail\/.imap\/INBOX<br>[root@localhost home]# mkdir -p \/home\/xia02\/mail\/.imap\/INBOX<br>[root@localhost home]#<br>[root@localhost home]# cd xia01<br>[root@localhost xia01]# ls<br>mail<br>[root@localhost xia01]# ll<br>\u603b\u7528\u91cf&nbsp;4<br>drwxr-xr-x 3 root root 4096 5\u6708&nbsp; 12 14:32 mail<br>[root@localhost xia01]# cd ..<br>[root@localhost home]# ls<br>~$6\u670824\u65e5\u8d63\u5dde\u804c\u4e1a\u6280\u672f\u5b66\u9662\u53d1\u70ed\u4eba\u5458\u6216\u7591\u4f3c\u75c7\u72b6\u4eba\u5458\u6c47\u603b\u53f0\u8d26.xlsx.id[5728D183-2700].[yourbackup@email.tg].Devos<br>VMwareTools-10.2.5-8068393.tar.gz<br>vmware-tools-distrib<br>xb242<br>xia01<br>xia02<br>[root@localhost home]# chmod -R 777 xia01<br>[root@localhost home]# chmod -R 777 xia02<br>[root@localhost home]# ls<br>~$6\u670824\u65e5\u8d63\u5dde\u804c\u4e1a\u6280\u672f\u5b66\u9662\u53d1\u70ed\u4eba\u5458\u6216\u7591\u4f3c\u75c7\u72b6\u4eba\u5458\u6c47\u603b\u53f0\u8d26.xlsx.id[5728D183-2700].[yourbackup@email.tg].Devos<br>VMwareTools-10.2.5-8068393.tar.gz<br>vmware-tools-distrib<br>xb242<br>xia01<br>xia02<br>[root@localhost home]# vim \/etc\/aliases<br>[root@localhost home]# vim \/etc\/aliases<br>[root@localhost home]# newaliases<br>\/etc\/aliases: 78 aliases, longest 10 bytes, 785 bytes total<br>[root@localhost home]# vi \/etc\/mail\/sendmail.mc<br>[root@localhost home]# vi \/etc\/mail\/sendmail.mc<br>[root@localhost home]# vi \/etc\/mail\/sendmail.mc<br>[root@localhost home]#<br>[root@localhost home]#<br>[root@localhost home]# m4 \/etc\/mail\/sendmail.mc &gt; \/etc\/mail<br>mail\/&nbsp;&nbsp;&nbsp; mailcap&nbsp; mail.rc&nbsp;<br>[root@localhost home]# m4 \/etc\/mail\/sendmail.mc &gt;\/etc\/mail\/sendmail.cf<br>[root@localhost home]# vim \/etc\/mail\/access<br>[root@localhost home]# makemap -r hash \/etc\/mail\/access.db &lt;\/etc\/mail\/access<br>[root@localhost home]#<br>[root@localhost home]#<br>[root@localhost home]# m4 \/etc\/mail\/sendmail.mc &gt;\/etc\/mail\/sendmail.cf<br>[root@localhost home]# vi \/etc\/dovecot\/dovecot.conf<br>[root@localhost home]# vi \/etc\/dovecot\/dovecot.conf<br>[root@localhost home]# vi \/etc\/dovecot\/conf.d\/10-auth.conf<br>[root@localhost home]# vi \/etc\/dovecot\/conf.d\/10-ssl.conf<br>[root@localhost home]# vi \/etc\/dovecot\/conf.d\/10-mail.conf<br>[root@localhost home]#<br>[root@localhost home]#<br>[root@localhost home]# service sendmail restart<br>\u5173\u95ed&nbsp;sendmail\uff1a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [\u5931\u8d25]<br>\u6b63\u5728\u542f\u52a8&nbsp;sendmail\uff1a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [\u786e\u5b9a]<br>\u542f\u52a8&nbsp;sm-client\uff1a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [\u786e\u5b9a]<br>[root@localhost home]# telnet localhost 25<br>bash: telnet: command not found<br>[root@localhost home]#<br>[root@localhost home]# yum install -y telnet<br>Loaded plugins: fastestmirror, refresh-packagekit, security<br>Loading mirror speeds from cached hostfile<br>Setting up Install Process<br>Resolving Dependencies<br>&#8211;&gt; Running transaction check<br>&#8212;&gt; Package telnet.x86_64 1:0.17-47.el6_3.1 will be installed<br>&#8211;&gt; Finished Dependency Resolution<br><br>Dependencies Resolved<br><br>================================================================================<br>&nbsp;Package&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Arch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Repository&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Size<br>================================================================================<br>Installing:<br>&nbsp;telnet&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1:0.17-47.el6_3.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; local_server&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 58 k<br><br>Transaction Summary<br>================================================================================<br>Install&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 Package(s)<br><br>Total download size: 58 k<br>Installed size: 109 k<br>Downloading Packages:<br>Running rpm_check_debug<br>Running Transaction Test<br>Transaction Test Succeeded<br>Running Transaction<br>&nbsp; Installing :1:telnet-0.17-47.el6_3.1.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br>&nbsp; Verifying&nbsp; : 1:telnet-0.17-47.el6_3.1.x86_64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1\/1<br><br>Installed:<br>&nbsp; telnet.x86_64 1:0.17-47.el6_3.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>Complete!<br>[root@localhost home]#<br>[root@localhost home]# telnet localhost 25<br>Trying ::1&#8230;<br>telnet: connect to address ::1: Connection refused<br>Trying 127.0.0.1&#8230;<br>Connected to localhost.<br>Escape character is &#8216;^]&#8217;.<br>220 localhost.localdomain ESMTP Sendmail 8.14.4\/8.14.4; Thu, 12 May 202214:45:55 +0800<br>help<br>214-2.0.0 This is sendmail<br>214-2.0.0 Topics:<br>214-2.0.0 &nbsp; HELO&nbsp;&nbsp;&nbsp; EHLO&nbsp;&nbsp;&nbsp; MAIL&nbsp;&nbsp;&nbsp; RCPT&nbsp;&nbsp;&nbsp; DATA<br>214-2.0.0 &nbsp; RSET&nbsp;&nbsp;&nbsp; NOOP&nbsp;&nbsp;&nbsp; QUIT&nbsp;&nbsp;&nbsp; HELP&nbsp;&nbsp;&nbsp; VRFY<br>214-2.0.0 &nbsp; EXPN&nbsp;&nbsp;&nbsp; VERB&nbsp;&nbsp;&nbsp; ETRN&nbsp;&nbsp;&nbsp; DSN AUTH<br>214-2.0.0 &nbsp; STARTTLS<br>214-2.0.0 For more info use &#8220;HELP &lt;topic&gt;&#8221;.<br>214-2.0.0 To report bugs in the implementation see<br>214-2.0.0 &nbsp;&nbsp;<a href=\"http:\/\/www.sendmail.org\/email-addresses.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.sendmail.org\/email-addresses.html<\/a><br>214-2.0.0 For local information send email to Postmaster at your site.<br>214 2.0.0 End of HELP info<br>quit<br>221 2.0.0 localhost.localdomain closing connection<br>Connection closed by foreign host.<br>[root@localhost home]# service dovecot start<br>\u6b63\u5728\u542f\u52a8&nbsp;Dovecot Imap\uff1a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [\u786e\u5b9a]<br>[root@localhost home]# netstat -antulp | grep :110<br>tcp&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 0.0.0.0:110&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.0.0.0:*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LISTEN&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3468\/dovecot&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>tcp&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 :::110&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :::*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LISTEN&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3468\/dovecot&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>[root@localhost home]#<br>[root@localhost home]#<br>[root@localhost home]# telnet localhost 110<br>Trying ::1&#8230;<br>Connected to localhost.<br>Escape character is &#8216;^]&#8217;.<br>+OK Dovecot ready.<br>quit<br>+OK Logging out<br>Connection closed by foreign host.<br>[root@localhost home]# telnet mail.21yjsxb.com 25<br>telnet: mail.21yjsxb.com: Name or service not known<br>mail.21yjsxb.com: Unknown host<br>[root@localhost home]# ping mail.21yjsxb.com<br>^C<br>[root@localhost home]# service named reload<br>\u91cd\u65b0\u8f7d\u5165named:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [\u786e\u5b9a]<br>[root@localhost home]# service named restart<br>\u505c\u6b62&nbsp;named\uff1a.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[\u786e\u5b9a]<br>\u542f\u52a8&nbsp;named\uff1a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[\u786e\u5b9a]<br>[root@localhost home]# telnet mail.21yjsxb.com 25<br>Trying 192.168.242.100&#8230;<br>Connected to mail.21yjsxb.com.<br>Escape character is &#8216;^]&#8217;.<br>220 localhost.localdomain ESMTP Sendmail 8.14.4\/8.14.4; Thu, 12 May 202214:49:01 +0800<br>help<br>214-2.0.0 This is sendmail<br>214-2.0.0 Topics:<br>214-2.0.0 &nbsp; HELO&nbsp;&nbsp;&nbsp; EHLO&nbsp;&nbsp;&nbsp; MAIL&nbsp;&nbsp;&nbsp; RCPT&nbsp;&nbsp;&nbsp; DATA<br>214-2.0.0 &nbsp; RSET&nbsp;&nbsp;&nbsp; NOOP&nbsp;&nbsp;&nbsp; QUIT&nbsp;&nbsp;&nbsp; HELP&nbsp;&nbsp;&nbsp; VRFY<br>214-2.0.0 &nbsp; EXPN&nbsp;&nbsp;&nbsp; VERB&nbsp;&nbsp;&nbsp; ETRN&nbsp;&nbsp;&nbsp; DSN AUTH<br>214-2.0.0 &nbsp; STARTTLS<br>214-2.0.0 For more info use &#8220;HELP &lt;topic&gt;&#8221;.<br>214-2.0.0 To report bugs in the implementation see<br>214-2.0.0 &nbsp;&nbsp;<a href=\"http:\/\/www.sendmail.org\/email-addresses.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.sendmail.org\/email-addresses.html<\/a><br>214-2.0.0 For local information send email to Postmaster at your site.<br>214 2.0.0 End of HELP info<br>mail from:xia01@^[^C<br>quit<br>Connection closed by foreign host.<br>[root@localhost home]# ping 21yjsxb.com<br>^C<br>[root@localhost home]# ping xia01@21yjsxb.com<br>^C<br>[root@localhost home]# vi \/var\/named\/21yjsxb.zone<br>[root@localhost home]# service named reload<br>\u91cd\u65b0\u8f7d\u5165named:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[\u786e\u5b9a]<br>[root@localhost home]# service named restart<br>\u505c\u6b62&nbsp;named\uff1a.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [\u786e\u5b9a]<br>\u542f\u52a8&nbsp;named\uff1a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[\u786e\u5b9a]<br>[root@localhost home]# ping 21yjsxb.com<br>PING 21yjsxb.com (192.168.242.100) 56(84) bytes of data.<br>64 bytes from dns.21yjsxb.com (192.168.242.100): icmp_seq=1 ttl=64 time=0.046ms<br>64 bytes from dns.21yjsxb.com (192.168.242.100): icmp_seq=2 ttl=64 time=0.066ms<br>64 bytes from dns.21yjsxb.com (192.168.242.100): icmp_seq=3 ttl=64 time=0.674ms<br>64 bytes from dns.21yjsxb.com (192.168.242.100): icmp_seq=4 ttl=64 time=0.068ms<br>^C<br>&#8212; 21yjsxb.com ping statistics &#8212;<br>4 packets transmitted, 4 received, 0% packet loss, time 3481ms<br>rtt min\/avg\/max\/mdev = 0.046\/0.213\/0.674\/0.266 ms<br>[root@localhost home]# ping xia01@21yjsxb.com<br>^C<br>[root@localhost home]# telnet mail.21yjsxb.com 25<br>Trying 192.168.242.100&#8230;<br>Connected to mail.21yjsxb.com.<br>Escape character is &#8216;^]&#8217;.<br>220 localhost.localdomain ESMTP Sendmail 8.14.4\/8.14.4; Thu, 12 May 202214:52:11 +0800<br>help<br>214-2.0.0 This is sendmail<br>214-2.0.0 Topics:<br>214-2.0.0 &nbsp; HELO&nbsp;&nbsp;&nbsp; EHLO&nbsp;&nbsp;&nbsp; MAIL&nbsp;&nbsp;&nbsp; RCPT&nbsp;&nbsp;&nbsp; DATA<br>214-2.0.0 &nbsp; RSET&nbsp;&nbsp;&nbsp; NOOP&nbsp;&nbsp;&nbsp; QUIT&nbsp;&nbsp;&nbsp; HELP&nbsp;&nbsp;&nbsp; VRFY<br>214-2.0.0 &nbsp; EXPN&nbsp;&nbsp;&nbsp; VERB&nbsp;&nbsp;&nbsp; ETRN&nbsp;&nbsp;&nbsp; DSN AUTH<br>214-2.0.0 &nbsp; STARTTLS<br>214-2.0.0 For more info use &#8220;HELP &lt;topic&gt;&#8221;.<br>214-2.0.0 To report bugs in the implementation see<br>214-2.0.0 &nbsp;&nbsp;<a href=\"http:\/\/www.sendmail.org\/email-addresses.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.sendmail.org\/email-addresses.html<\/a><br>214-2.0.0 For local information send email to Postmaster at your site.<br>214 2.0.0 End of HELP info<br><br>500 5.5.1 Command unrecognized: &#8220;&#8221;<br>mail from:xia01@21yjsxb.com<br>250 2.1.0 xia01@21yjsxb.com&#8230; Sender ok<br>rcpt to:xia02@21yjsxb.com<br>250 2.1.5 xia02@21yjsxb.com&#8230; Recipient ok<br>data<br>354 Enter mail, end with &#8220;.&#8221; on a line by itself<br>nihao woshi xia01.<br>.<br>250 2.0.0 24C6qBgm003578 Message accepted for delivery<br>data<br>503 5.0.0 Need MAIL command<br>subject:test message<br>500 5.5.1 Command unrecognized: &#8220;subject:test message&#8221;<br>data<br>503 5.0.0 Need MAIL command<br>quit<br>221 2.0.0 localhost.localdomain closing connection<br>Connection closed by foreign host.<br>[root@localhost home]# telnet mail.21yjsxb.com 110<br>Trying 192.168.242.100&#8230;<br>Connected to mail.21yjsxb.com.<br>Escape character is &#8216;^]&#8217;.<br>+OK Dovecot ready.<br>user xia02<br>+OK<br>pass 123456<br>+OK Logged in.<br>list<br>+OK 1 messages:<br>1 490<br>.<br>retr 1<br>+OK 490 octets<br>Return-Path: &lt;xia01@21yjsxb.com&gt;<br>Received: from dns.21yjsxb.com (dns.21yjsxb.com [192.168.242.100])<br>&nbsp;&nbsp;&nbsp; by localhost.localdomain(8.14.4\/8.14.4) with SMTP id 24C6qBgm003578<br>&nbsp;&nbsp;&nbsp; for xia02@21yjsxb.com; Thu, 12 May2022 14:52:51 +0800<br>Date: Thu, 12 May 2022 14:52:11 +0800<br>From: xia01@21yjsxb.com<br>Message-Id: &lt;202205120652.24C6qBgm003578@localhost.localdomain&gt;<br>X-Authentication-Warning: localhost.localdomain: dns.21yjsxb.com[192.168.242.100] didn&#8217;t use HELO protocol<br><br>nihao woshi xia01.<br>.<br>\u5230\u6b64\uff0c\u67e5\u770b\u5b8c\u6bd5\uff0c\u57fa\u672c\u6b65\u9aa4\u5982\u4e0a\u6240\u793a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6574\u4e2a\u5b89\u88c5\u8fc7\u7a0b\uff0c\u6211\u4ece\u7ec8\u7aef\u590d\u5236\u8fc7\u6765\u7684\uff0c\u8f93\u5165\u7684\u547d\u4ee4\u53ef\u4ee5\u770b\u4ee5[root@localhost\u2026\u2026]\u5f00\u5934\u7684\uff0c\u5c31\u662f\u8f93\u5165\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/posts\/18","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/comments?post=18"}],"version-history":[{"count":1,"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/posts\/18\/revisions"}],"predecessor-version":[{"id":19,"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/posts\/18\/revisions\/19"}],"wp:attachment":[{"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/media?parent=18"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/categories?post=18"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiayanxi.cn\/index.php\/wp-json\/wp\/v2\/tags?post=18"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}