Sending outgoing emails from this dovecot/postfix server is Ok (ie emails received at destination) but incoming mails keep getting the logs below :
smtp.myportaltech.com[202.6.163.31]:25: Connection timed out Feb 21 16:37:04 hostname postfix/smtp[1381]: 8B35C200060: to=<recipient_...@myportaltech.com>, relay=none, delay=30, delays=0.1/0.01/30/0, dsn=4.4.1, status=deferred (connect to smtp.myportaltech.com[202.6.163.31]:25: Connection timed out) Even if I'm inside the box itself & send emails to myself, it was not received too (despite that sending to external emails including gmail was Ok) : # mailx -s "tst to localhost" myunixid@localhost < /etc/hosts # mailx -s "tst to myportaltech" myuni...@myportaltech.com < /etc/hosts # mailx -s "tst to hostname" myunixid@`hostname` < /etc/hosts # mailx -s "tst to local private IP" myunixid@private_IP_addr < /etc/hosts # su - myunixid $ mailq /var/spool/mqueue is empty Total requests: 0 Awaiting assistance, Sun