1 Topic by ibrahim

  • ibrahim
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Topic: Sending Mail Error

Hello

I have installed iRedmail server on my ubuntu Apache and it successfully installed, i created users and mailbox all working fine.
But the issue is that when i send mail to any other mailbox other then its own it gives me SMTP 550 error Failed to add recipent xxx@xxx.com. Recipent addess rejectd, user unknown in virtual mailbox table.
What issue am i facing here
can anyone please elaborate???

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2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
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Re: Sending Mail Error

ibrahim wrote:

Recipent addess rejectd, user unknown in virtual mailbox table.

Does the recipient address really exist on your server?

3 Reply by ibrahim

  • ibrahim
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Re: Sending Mail Error

no it is on another server..how do i solve that problem

4 Reply by ZhangHuangbin

  • ZhangHuangbin
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Re: Sending Mail Error

Could you please try to send one more testing email, then copy all log lines relevant to this testing email from Postfix log file and past here? we need this log  for troubleshooting.

5 Reply by ibrahim (edited by ibrahim 2018-10-24 23:34:39)

  • ibrahim
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Re: Sending Mail Error

This is the error i receive when i send mail to another server user

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6 Reply by ibrahim

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Re: Sending Mail Error

Oct 24 15:31:11 mail postfix/submission/smtpd[4656]: NOQUEUE: reject: RCPT from mail.xxxx.com[127.0.0.1]: 550 5.1.1 <xxxxxxx@xxxx.com>: Recipient address rejected: User unknown in virtual mailbox table; from=<xxxx@xxxx.com> to=<xxxxxxx@xxxx.com> proto=ESMTP helo=<xxx.xxxxx.com>
Oct 24 15:31:11 mail roundcube: ERROR: Invalid response code received from server (550)
Oct 24 15:31:11 mail roundcube: <sp4g5d97> SMTP Error: Failed to add recipient 'ixxx@xxxxi.com'. 5.1.1 <xxx@xxxx.com>: Recipient address rejected: User unknown in virtual mailbox table (Code: 550) in /opt/www/roundcubemail-1.3.0/program/lib/Roundcube/rcube.php on line 1665 (POST /mail/?_task=mail&_unlock=loading1540395072033&_lang=en_GB&_framed=1&_action=send)