Please find the details below and please let me know if you need any other information.
1) Are users able to login and access their mailboxes on production1 with
an IMAP client?
Ans: Yes.
2)
[root@production1 ~]# ps -ef | grep dovecot
dovecot 800 1 0 Jul07 ? 00:00:07 dovecot/anvil
root 801 1 0 Jul07 ? 00:00:09 dovecot/log
root 804 1 0 Jul07 ? 00:00:31 dovecot/config
vmail 1310 1 0 Jul08 ? 00:00:00 dovecot/imap
dovecot 1440 1 0 Jul09 ? 00:00:07 dovecot/anvil
root 1441 1 0 Jul09 ? 00:00:08 dovecot/log
vmail 1473 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 2095 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 2354 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 2584 1 0 Jul09 ? 00:00:00 dovecot/imap
dovecot 3001 1 0 Jul08 ? 00:00:09 dovecot/anvil
root 3002 1 0 Jul08 ? 00:00:11 dovecot/log
vmail 4004 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 4535 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 4546 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 4649 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 4677 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 4913 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 5208 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 5353 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 5799 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 6280 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 6774 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 6975 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 7035 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 9108 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 9741 1 0 Jul07 ? 00:00:00 dovecot/imap
vmail 10022 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 10900 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 11522 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 11579 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 13190 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 13837 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 15689 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 16089 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 17919 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 18377 1 0 Jul07 ? 00:00:00 dovecot/imap
vmail 18404 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 20279 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 20639 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 20658 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 21397 1 0 Jul07 ? 00:00:00 dovecot/imap
dovenull 21624 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21627 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21628 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21633 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21636 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21641 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21644 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21645 1 0 20:18 ? 00:00:00 dovecot/pop3-login
dovenull 21789 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21873 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21875 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21878 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21880 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21882 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21884 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21888 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21889 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21891 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21893 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21896 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21897 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21904 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21907 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21920 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21921 1 0 20:19 ? 00:00:00 dovecot/pop3-login
dovenull 21927 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21929 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21932 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21933 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21935 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21938 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21942 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21943 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21945 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21947 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21950 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21951 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21953 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21958 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21961 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21962 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21964 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21966 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21970 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21971 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21973 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21976 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21979 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 21980 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovecot 22008 1 0 20:20 ? 00:00:00 dovecot/anvil
root 22009 1 0 20:20 ? 00:00:00 dovecot/log
root 22011 1 0 20:20 ? 00:00:00 dovecot/config
dovenull 22027 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22030 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22031 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22038 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22041 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22044 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22045 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22047 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22049 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22052 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22053 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22055 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22058 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22061 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22062 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22064 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22066 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22069 1 0 20:20 ? 00:00:00 dovecot/pop3-login
dovenull 22070 1 0 20:20 ? 00:00:00 dovecot/pop3-login
root 22118 21483 0 20:20 pts/0 00:00:00 grep dovecot
dovecot 22302 1 0 Jul07 ? 00:00:00 dovecot/anvil
root 22303 1 0 Jul07 ? 00:00:00 dovecot/log
vmail 22372 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 22807 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 22877 1 0 Jul07 ? 00:00:09 dovecot/imap
vmail 23064 1 0 Jul07 ? 00:00:09 dovecot/imap
vmail 23537 1 0 Jul07 ? 00:00:09 dovecot/imap
vmail 23538 1 0 Jul07 ? 00:00:09 dovecot/imap
vmail 23823 1 0 Jul07 ? 00:00:08 dovecot/imap
vmail 23991 1 0 Jul07 ? 00:00:08 dovecot/imap
dovecot 24921 1 0 Jul07 ? 00:00:00 dovecot/anvil
root 24922 1 0 Jul07 ? 00:00:00 dovecot/log
vmail 25204 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 26624 1 0 Jul07 ? 00:00:00 dovecot/pop3
dovecot 26638 1 0 Jul28 ? 00:01:02 dovecot/anvil
root 26639 1 0 Jul28 ? 00:01:39 dovecot/log
root 26641 1 0 Jul28 ? 00:03:57 dovecot/config
vmail 27994 1 0 Jul07 ? 00:00:00 dovecot/imap
vmail 28036 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 28439 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 28551 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 28581 1 0 Jul07 ? 00:00:00 dovecot/imap
vmail 29014 1 0 Jul07 ? 00:00:00 dovecot/imap
vmail 29709 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 31832 1 0 Jul07 ? 00:00:00 dovecot/imap
vmail 31986 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 32423 1 0 Jul08 ? 00:00:00 dovecot/imap
vmail 32483 1 0 Jul09 ? 00:00:00 dovecot/imap
vmail 32662 1 0 Jul07 ? 00:00:00 dovecot/imap
[root@production1 ~]#
3)
[root@production1 ~]# netstat -lntp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0
0.0.0.0:44115 0.0.0.0:* LISTEN 1661/rpc.statd
tcp 0 0
0.0.0.0:1556 0.0.0.0:* LISTEN 1736/pbx_exchange
tcp 0 0
127.0.0.1:1557 0.0.0.0:* LISTEN 1736/pbx_exchange
tcp 0 0
0.0.0.0:13782 0.0.0.0:* LISTEN 2147/bpcd
tcp 0 0
0.0.0.0:22 0.0.0.0:* LISTEN 2105/sshd
tcp 0 0
127.0.0.1:44438 0.0.0.0:* LISTEN 1736/pbx_exchange
tcp 0 0
0.0.0.0:8089 0.0.0.0:* LISTEN 2363/splunkd
tcp 0 0
0.0.0.0:25 0.0.0.0:* LISTEN 2260/master
tcp 0 0
0.0.0.0:13724 0.0.0.0:* LISTEN 2143/vnetd
tcp 0 0
0.0.0.0:42397 0.0.0.0:* LISTEN -
tcp 0 0
0.0.0.0:993 0.0.0.0:* LISTEN 3499/dovecot
tcp 0 0
0.0.0.0:995 0.0.0.0:* LISTEN 3499/dovecot
tcp 0 0
0.0.0.0:110 0.0.0.0:* LISTEN 3499/dovecot
tcp 0 0
0.0.0.0:143 0.0.0.0:* LISTEN 3499/dovecot
tcp 0 0
0.0.0.0:35375 0.0.0.0:* LISTEN -
tcp 0 0
0.0.0.0:111 0.0.0.0:* LISTEN 1620/rpcbind
tcp 0 0 :::1556 :::* LISTEN 1736/pbx_exchange
tcp 0 0 :::33941 :::* LISTEN -
tcp 0 0 :::22 :::* LISTEN 2105/sshd
tcp 0 0 :::25 :::* LISTEN 2260/master
tcp 0 0 :::60414 :::* LISTEN 1661/rpc.statd
tcp 0 0 :::41186 :::* LISTEN -
tcp 0 0 :::3181 :::* LISTEN 3162/PatrolAgent
tcp 0 0 :::111 :::* LISTEN 1620/rpcbind
4)
[root@production1 ~]# ls -la /etc/dovecot
total 32
drwxr-xr-x 3 root root 4096 Jul 28 15:24 .
drwxr-xr-x. 94 root root 12288 Aug 3 20:23 ..
drwxr-xr-x 2 root root 4096 Jan 13 2020 conf.d
-rw-r--r-- 1 root root 615 Jul 28 11:43 dovecot.conf
-rw-r--r-- 1 root root 3455 Dec 30 2010 dovecot.conf.orig
-rw-r--r-- 1 root root 75 Jan 20 2020 passwd
5)
[root@production2 ~]# telnet
production1.testorg.com 143
Trying xxx.xxx.xxx.xxx...
Connected to
production1.testorg.com.
Escape character is '^]'.
* OK Waiting for authentication process to respond..
* BYE Disconnected for inactivity.
Connection closed by foreign host.
[root@production2 ~]#
[vmail@production2 ~]$ telnet
production1.testorg.com 143
Trying xxx.xxx.xxx.xxx...
Connected to
production1.testorg.com.
Escape character is '^]'.
* OK Waiting for authentication process to respond..
* BYE Disconnected for inactivity.
Connection closed by foreign host.
[root@production2 ~]#