For what iv been reading it seems my ISP is blocking connections on port 25 for incoming/outgoing connections, so tomorrow ill try to talk to them to see if i can get them to open that port to my connection, but if not, is there a way to change zimbra to be able to send or receive in a diferent port than 25?
Im using the latest Zimbra Collaboration btw, heres a bit of my log file
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Sep 12 06:40:01 mailer postfix/lmtp[73485]: ED050C3A37: to=<admin@domain.com>, relay=mailer.domaincom[10.0.4.28]:7025, delay=0.17, delays=0/0.01/0.1/0.05, dsn=2.1.5, status=sent (250 2.1.5 Delivery OK)
Sep 12 06:40:01 mailer postfix/qmgr[48877]: ED050C3A37: removed
Sep 12 06:40:01 mailer postfix/lmtp[73495]: 02DE0C3A38: to=<admin@domain.com>, relay=mailer.domain.com[10.0.4.28]:7025, delay=0.16, delays=0/0.01/0.09/0.05, dsn=2.1.5, status=sent (250 2.1.5 Delivery OK)
Sep 12 06:40:01 mailer postfix/qmgr[48877]: 02DE0C3A38: removed
Sep 12 06:40:03 mailer /postfix-script[73811]: the Postfix mail system is running: PID: 4875
Sep 12 06:40:05 mailer postfix/smtp[72896]: connect to alt3.gmail-smtp-in.l.google.com[173.194.213.26]:25: Connection timed out
Sep 12 06:40:10 mailer /postfix-script[74232]: the Postfix mail system is running: PID: 4875
Sep 12 06:40:35 mailer postfix/smtp[72896]: connect to alt4.gmail-smtp-in.l.google.com[64.233.186.27]:25: Connection timed out
Sep 12 06:40:35 mailer postfix/smtp[72896]: 0FEE7C1C52: to=<xxxxxx@gmail.com>, relay=none, delay=5695, delays=5545/0.02/150/0, dsn=4.4.1, status=deferred (connect to alt4.gmail-smtp-in.l.google.com[64.233.186.27]:25: Connection timed out)
Sep 12 06:41:08 mailer /postfix-script[74661]: the Postfix mail system is running: PID: 4875
Sep 12 06:42:04 mailer /postfix-script[75153]: the Postfix mail system is running: PID: 4875
Sep 12 06:42:11 mailer /postfix-script[75571]: the Postfix mail system is running: PID: 4875
Sep 12 06:43:05 mailer postfix/qmgr[48877]: F2C55C3A1A: from=<xxxxxx@domain.com>, size=1985, nrcpt=1 (queue active)
Sep 12 06:43:15 mailer /postfix-script[76003]: the Postfix mail system is running: PID: 4875
Sep 12 06:43:36 mailer postfix/smtp[75738]: connect to gmail-smtp-in.l.google.com[173.194.201.27]:25: Connection timed out
Sep 12 06:44:04 mailer /postfix-script[76491]: the Postfix mail system is running: PID: 4875
Sep 12 06:44:06 mailer postfix/smtp[75738]: connect to alt1.gmail-smtp-in.l.google.com[64.233.177.27]:25: Connection timed out
Sep 12 06:44:18 mailer /postfix-script[78084]: the Postfix mail system is running: PID: 4875
Sep 12 06:44:36 mailer postfix/smtp[75738]: connect to alt2.gmail-smtp-in.l.google.com[74.125.192.27]:25: Connection timed out
Sep 12 06:45:06 mailer postfix/smtp[75738]: connect to alt3.gmail-smtp-in.l.google.com[173.194.213.26]:25: Connection timed out
Sep 12 06:45:22 mailer /postfix-script[78516]: the Postfix mail system is running: PID: 4875
Sep 12 06:45:36 mailer postfix/smtp[75738]: connect to alt4.gmail-smtp-in.l.google.com[64.233.186.26]:25: Connection timed out
Sep 12 06:45:36 mailer postfix/smtp[75738]: F2C55C3A1A: to=<xxxxxx@gmail.com>, relay=none, delay=2004, delays=1854/0.03/150/0, dsn=4.4.1, status=deferred (connect to alt4.gmail-smtp-in.l.google.com[64.233.186.26]:25: Connection timed out)
Sep 12 06:46:04 mailer /postfix-script[79003]: the Postfix mail system is running: PID: 4875
Sep 12 06:46:25 mailer /postfix-script[79421]: the Postfix mail system is running: PID: 4875
Sep 12 06:47:29 mailer /postfix-script[79855]: the Postfix mail system is running: PID: 4875
Sep 12 06:48:04 mailer /postfix-script[80341]: the Postfix mail system is running: PID: 4875