Attempting to start dovecot gives me this:
Apr 28 13:37:00 master: Error: service(pop3-login): listen(*, 110) failed: Address already in use
Apr 28 13:37:00 master: Error: service(pop3-login): listen(*, 995) failed: Address already in use
Apr 28 13:37:00 master: Error: service(imap-login): listen(*, 143) failed: Address already in use
Apr 28 13:37:00 master: Error: service(imap-login): listen(*, 993) failed: Address already in use
And 'netstat -tulpn' displays this:
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 3369/master
tcp 0 0 0.0.0.0:52125 0.0.0.0:* LISTEN 2396/rpc.statd
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 3244/mysqld
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 2375/rpcbind
tcp 0 0 :::22 :::* LISTEN 2562/sshd
tcp 0 0 :::25 :::* LISTEN 3369/master
tcp 0 0 :::443 :::* LISTEN 3390/httpd
tcp 0 0 :::39631 :::* LISTEN 2396/rpc.statd
tcp 0 0 :::111 :::* LISTEN 2375/rpcbind
tcp 0 0 :::80 :::* LISTEN 3390/httpd
udp 0 0 0.0.0.0:68 0.0.0.0:* 2236/dhclient
udp 0 0 0.0.0.0:111 0.0.0.0:* 2375/rpcbind
udp 0 0 10.0.82.190:123 0.0.0.0:* 2589/ntpd
udp 0 0 127.0.0.1:123 0.0.0.0:* 2589/ntpd
udp 0 0 0.0.0.0:123 0.0.0.0:* 2589/ntpd
udp 0 0 0.0.0.0:43243 0.0.0.0:* 2396/rpc.statd
udp 0 0 0.0.0.0:854 0.0.0.0:* 2375/rpcbind
udp 0 0 127.0.0.1:876 0.0.0.0:* 2396/rpc.statd
udp 0 0 :::111 :::* 2375/rpcbind
udp 0 0 :::854 :::* 2375/rpcbind
udp 0 0 :::54504 :::* 2396/rpc.statd
Any idea what I'm missing here?
UPDATE:
selinux is disabled, and the distro is AWX Linux:
$ getenforce
Disabled
$ uname -a
Linux ip-10-0-82-190 4.14.268-139.500.amzn1.x86_64 #1 SMP Wed Mar 2 18:48:10 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux