once again. Thnks. i have added dmarc but need to re-check it. that seems ALL green. other then rDNS that no more longer needed. I'm able to receive the email now. i have not changed the setting but it is bit delayed. Here is the log if you can check if something is delaying. Expand: Log - First sent from [email protected] > [email protected] then replied back. user@trendicons:~$ tail -n 10 /var/log/mail.log 2024-07-13T15:06:51.370901-07:00 trendicons postfix/smtpd[26648]: connect from mail-ej1-f52.google.com[209.85.218.52] 2024-07-13T15:06:52.388367-07:00 trendicons postfix/smtpd[26648]: 5E51AA57BB: client=mail-ej1-f52.google.com[209.85.218.52] 2024-07-13T15:06:52.413148-07:00 trendicons postfix/cleanup[26615]: 5E51AA57BB: message-id=<CAH-8ENOO4yqKWsxqymsBK8wRP5_nJV+ScVO1EEe7uJt3BZkF1Q@mail.gmail.com> 2024-07-13T15:06:54.540441-07:00 trendicons postfix/qmgr[1545]: 5E51AA57BB: from=<[email protected]>, size=4785, nrcpt=1 (queue active) 2024-07-13T15:06:54.648836-07:00 trendicons dovecot: lmtp(26652): Connect from local 2024-07-13T15:06:54.661737-07:00 trendicons postfix/smtpd[26648]: disconnect from mail-ej1-f52.google.com[209.85.218.52] ehlo=2 starttls=1 mail=1 rcpt=1 bdat=1 quit=1 commands=7 2024-07-13T15:06:54.703065-07:00 trendicons dovecot: lmtp([email protected])<26652><UtKNJn76kmYcaAAApilecA>: sieve: msgid=<CAH-8ENOO4yqKWsxqymsBK8wRP5_nJV+ScVO1EEe7uJt3BZkF1Q@mail.gmail.com>: stored mail into mailbox 'INBOX' 2024-07-13T15:06:54.705899-07:00 trendicons postfix/lmtp[26651]: 5E51AA57BB: to=<[email protected]>, relay=trendicons.com[private/dovecot-lmtp], delay=2.5, delays=2.3/0.04/0.06/0.06, dsn=2.0.0, status=sent (250 2.0.0 <[email protected]> UtKNJn76kmYcaAAApilecA Saved) 2024-07-13T15:06:54.706474-07:00 trendicons dovecot: lmtp(26652): Disconnect from local: Logged out (state=READY) 2024-07-13T15:06:54.706846-07:00 trendicons postfix/qmgr[1545]: 5E51AA57BB: removed user@trendicons:~$