==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release):
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version:
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Web server (Apache or Nginx):
- Manage mail accounts with iRedAdmin-Pro?
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
- iRedMail-1.3.2
- Downloadable installer
- RHEL 8.3
- PGSQL
- Nginx
- No

I setup iRedMail on RHEL 8.3. I am able to receive emails to this email server alright but the emails sent from the mail server to gmail or private domains are not getting delivered.

Apr  5 14:09:28 mx amavis[1437]: (01437-01) Passed CLEAN {RelayedInternal}, ORIGINATING/MYNETS LOCAL [127.0.0.1]:49288 ESMTP/ESMTP <postmaster@tradecharcha.com> -> <rohit.gavval@lotusdew.in>, (), Queue-ID: 4FDPGR1mxtz1GGb9, Message-ID: <57464a2317fa268b9d6f9eac0304535b@tradecharcha.com>, mail_id: OmXCFaawz_zl, b: shLI2WBbY, Hits: -1, size: 913, queued_as: 4FDPGS1wbxz1GGbD, Subject: "Fwd: Testing mail server", From: <postmaster@tradecharcha.com>, User-Agent: Roundcube_Webmail, helo=localhost, Tests: [ALL_TRUSTED=-1], autolearn=ham autolearn_force=no, autolearnscore=0, dkim_new=dkim:tradecharcha.com, 936 ms
Apr  5 14:09:28 mx amavis[1437]: (01437-01) Passed CLEAN, <postmaster@tradecharcha.com> -> <rohit.gavval@lotusdew.in>, Hits: -1, tag=2, tag2=6.2, kill=6.9, queued_as: 4FDPGS1wbxz1GGbD, L/0/0/0
Apr  5 14:09:28 mx postfix/amavis/smtp[2085]: 4FDPGR1mxtz1GGb9: to=<rohit.gavval@lotusdew.in>, relay=127.0.0.1[127.0.0.1]:10026, delay=1.3, delays=0.29/0.02/0.01/0.95, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 4FDPGS1wbxz1GGbD)
Apr  5 14:09:28 mx postfix/qmgr[1140]: 4FDPGR1mxtz1GGb9: removed

The above logs show that the email has been sent. Later in the logs I see

Apr  5 14:17:36 mx postfix/smtp[2540]: connect to mailstore1.asia.secureserver.net[182.50.144.67]:25: Connection timed out
Apr  5 14:17:36 mx postfix/smtp[2540]: 4FDPGS1wbxz1GGbD: to=<rohit.gavval@lotusdew.in>, relay=none, delay=489, delays=428/0.12/60/0, dsn=4.4.1, status=deferred (connect to mailstore1.asia.secureserver.net[182.50.144.67]:25: Connection timed out)

Could you please advice?