Mail Transport Unavailable for specific email

[Teampouce]

Dear All,

I need your help to debug a curious problem that occur only on a specific email address.

Let say for confidentiality the email with the issue is : john.doe@domain.com

Let say for confidentiality my email is : me@mydomain.com


I can send email correctly to all users in @domain.com except only one john.doe@domain.com

When we try to send an email to john.doe@domain.com logs shows :

Jan 14 13:12:31 push1 postfix/amavisd/smtpd[16472]: 4E4D1DE4F12: client=localhost[127.0.0.1]
Jan 14 13:12:31 push1 postfix/cleanup[22229]: 4E4D1DE4F12: message-id=<053301d5cac6$fd0ab390$f7201ab0$@mydomain.com>
Jan 14 13:12:31 push1 postfix/amavisd/smtpd[16472]: disconnect from localhost[127.0.0.1]
Jan 14 13:12:31 push1 postfix/qmgr[19744]: 4E4D1DE4F12: from=<me@mydomain.com>, size=111953, nrcpt=1 (queue active)
Jan 14 13:12:31 push1 amavis[14369]: (14369-02) Jpdv40sR_RZ1 FWD from <me@mydomain.com> -> <john.doe@domain.com>, BODY=7BIT 250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 4E4D1DE4F12
Jan 14 13:12:31 push1 postfix/error[22256]: 4E4D1DE4F12: to=<john.doe@domain.com>, relay=none, delay=0.01, delays=0.01/0/0/0, dsn=4.3.0, status=deferred (mail transport unavailable)
Jan 14 13:12:31 push1 amavis[14369]: (14369-02) Passed CLEAN {RelayedOutbound}, MYNETS LOCAL [127.0.0.1]:53934 <me@mydomain.com> -> <john.doe@domain.com>, Queue-ID: B4FE3DE4F12, Message-ID: <053301d5cac6$fd0ab390$f7201ab0$@mydomain.com>, mail_id: Jpdv40sR_RZ1, Hits: -2.998, size: 111517, queued_as: 4E4D1DE4F12, dkim_sd=F7CC2E9E-2AFE-11E9-A045-F7E4155C872E:ntd.swiss, 804 ms
Jan 14 13:12:31 push1 postfix/smtp[22235]: 7D766DE500C: to=<john.doe@domain.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=226, delays=225/0.01/0/0.8, 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 4E4D1DE4F12)
Jan 14 13:12:31 push1 postfix/qmgr[19744]: 7D766DE500C: removed


If I use an alias of john.doe@domain.com like jdoe@domain.com everything goes well ; no error !

If I try to send an email using telnet by the hand to john.doe@domain.com everything goes well ; no error !

I verified transport map in following files nothing :
transport_maps = lmdb:/opt/zimbra/postfix/conf/relaybysender,proxy:ldap:/opt/zimbra/conf/ldap-transport.cf


It is like a specific "mail transport configuration" apply to only john.doe@domain.com.

How could check / debug this ?

Any help will be appreciated

Thanks in advance for your help
Best Regards

[Teampouce]

Dear All,

Finally I fixed my problem after correct permission issue on transport maps files.

Then restarted mta service.

Thanks