1 Topic by Chilu

  • Chilu
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  • Registered: 2018-02-14
  • Posts: 2

Topic: Recipient address rejected: User unknown in virtual mailbox table

Dear Support,

For the past few months I’m experiencing  a mail forwarding loop for the new created email ID’s. For reference kindly see the attached mail.
Your urgent response will be highly appreciated.

see the mail below.

inal-Recipient: rfc822; test@ccfzambia.com
Last-Attempt-Date: Sat, 10 Feb 2018 13:01:56 +0200 (CAT)
Action: failed
Status: 5.1.1
Diagnostic-Code: 550 5.1.1 <test@ccfzambia.com>: Recipient address rejected: User unknown in virtual mailbox table

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Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
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  • Registered: 2009-05-06
  • Posts: 31,163

Re: Recipient address rejected: User unknown in virtual mailbox table

Chilu wrote:

Diagnostic-Code: 550 5.1.1 <test@ccfzambia.com>: Recipient address rejected: User unknown in virtual mailbox table

Account "test@ccfzambia.com" doesn't exist on your server?

3 Reply by Chilu

  • Chilu
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  • Registered: 2018-02-14
  • Posts: 2

Re: Recipient address rejected: User unknown in virtual mailbox table

ZhangHuangbin wrote:
Chilu wrote:

Diagnostic-Code: 550 5.1.1 <test@ccfzambia.com>: Recipient address rejected: User unknown in virtual mailbox table

Account "test@ccfzambia.com" doesn't exist on your server?


It does exist,oh maybe there is certain configurations i need to do after adding a user?

4 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
  • iRedMail Developers
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  • Registered: 2009-05-06
  • Posts: 31,163

Re: Recipient address rejected: User unknown in virtual mailbox table

Chilu wrote:

maybe there is certain configurations i need to do after adding a user?

No.

Back to the original error message:

Chilu wrote:

Diagnostic-Code: 550 5.1.1 <test@ccfzambia.com>: Recipient address rejected: User unknown in virtual mailbox table

Who is the sender? and who is the recipient? Do both exist on your server?