help with email setup and use
show users that are sending email:
mail /var/log# grep authid= /var/log/maillog | awk -F “]” ‘{print$3}’ | awk -F , ‘{print$2}’ | tr -d ” ” | sort | uniq -c | sort -rn
show what IP addresses are sending email:
mail /var/log# grep authid= /var/log/maillog | awk -F “]” ‘{print$2}’ | awk -F “[” ‘{print$2}’ | tr -d ” ” | sort | uniq -c | sort -rn
On a busy server, the default number of connections allowed for IMAP users might be too low. If you have IMAP customers complaining about connections being refused, you might need to increase the number of simultaneous connections.
Edit the following file:
/etc/courier-imap/imapd
Restart imapd:
/etc/init.d/courier-imapd restart