BF: remove imap2 - not an IANA and probably not used

config/jail.conf

@@ -614,13 +614,13 @@ logpath = /var/log/exim/mainlog
 
 [courier-auth]
 
-port     = smtp,465,submission,imap2,imap3,imaps,pop3,pop3s
+port     = smtp,465,submission,imap3,imaps,pop3,pop3s
 logpath  = /var/log/mail.log
 
 
 [postfix-sasl]
 
-port     = smtp,465,submission,imap2,imap3,imaps,pop3,pop3s
+port     = smtp,465,submission,imap3,imaps,pop3,pop3s
 # You might consider monitoring /var/log/mail.warn instead if you are
 # running postfix since it would provide the same log lines at the
 # "warn" level but overall at the smaller filesize.
@@ -629,7 +629,7 @@ logpath  = /var/log/mail.log
 
 [perdition]
 
-port   = imap2,imap3,imaps,pop3,pop3s
+port   = imap3,imaps,pop3,pop3s
 logpath = /var/log/maillog