Sender address rejected: Domain not found

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Peter Parker
Posts: 4
Joined: Mon Apr 09, 2018 2:06 am

Sender address rejected: Domain not found

Postby Peter Parker » Thu May 24, 2018 8:27 am

Hi guys,

I'm running into problems with sending mail on our mailserver. Some mails are sent and delivered without any problems (eg Gmail), while others are deferred with "Sender address rejected: Domain not found"

Here are the logs for a specific mail that was trying to be sent:

May 24 03:45:55 mail postfix/smtpd[11011]: NOQUEUE: reject: RCPT from r3a-acuria.mta.dotmailer.com[212.1.222.9]: 450 4.1.8 <bo-4S9X-9ES-9GP6D-C0JGE@info.canifa.com>: Sender address rejected: Domain not found; from=<bo-4S9X-9ES-9GP6D-C0JGE@info.canifa.com> to=<bachdt@canifa.com> proto=ESMTP helo=<r3a-acuria.mta.dotmailer.com>
May 24 03:45:55 mail postfix/smtpd[11011]: NOQUEUE: reject: RCPT from r3a-acuria.mta.dotmailer.com[212.1.222.9]: 450 4.1.8 <bo-4S9X-9ES-9GPFV-C0JGE@info.canifa.com>: Sender address rejected: Domain not found; from=<bo-4S9X-9ES-9GPFV-C0JGE@info.canifa.com> to=<anhdtn@canifa.com> proto=ESMTP helo=<r3a-acuria.mta.dotmailer.com>

on MTA:

[root@mail ~]# nslookup
> r3a-acuria.mta.dotmailer.com
Server: 127.0.0.1
Address: 127.0.0.1#53

Non-authoritative answer:
Name: r3a-acuria.mta.dotmailer.com
Address: 212.1.222.9

Does anyone else can help me fix it?

Thank for insight


felix_cesar
Posts: 1
Joined: Wed Aug 15, 2018 9:22 pm

Re: Sender address rejected: Domain not found

Postby felix_cesar » Wed Aug 15, 2018 10:06 pm

you managed to solve, the same thing happens to me

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