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Need help with Exim mail server setting.

I want to set the exim mail server to trigger an email bounce notification for an email account that doesn’t exist. For example: abc@abc.com - should bounce immediately.

When I try the same using my outlook using my personal email account – I get an immediate bounce notification.

Is there a setting with exim configuration?

  • The verification of a recipient address is an ACL option. See for instance chapter 44. Address verification: ... verify = recipient/defer_ok/callout=10s,defer_ok ... – HBruijn Jan 12 '16 at 12:44
  • Where i can put this setting via WHM -> Exim configuration -> Advance editor or How do i edit in exim.conf – Vikram Pote Jan 14 '16 at 4:58
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As noted in the comment to your question, the Exim Documentation covers address validation.

Bouncing particular addresses can be done easily by adding an alias to /etc/aliases. This is usually the first router for local addresses submitted remotely. (For local submissions, there may a router for 'real-' local addresses.) The alias can include a message as well. These are some variations I have used:

abc    :  :fail: 
abc    :  :fail:  Leaked to spammers
abc    :  :fail:  Try abc@example.com 
abc    :  :fail:  Unrouteable address
abc    :  :fail:  Please contact postmaster
  • I don't need for specific domain like abc but for any domain. – Vikram Pote Jan 14 '16 at 5:00
  • @VikramPote You would need a lookup ahead of the remote delivery routers that looks up the address with the domain. This is all documented in the Exim documentation and FAQs. – BillThor Jan 14 '16 at 13:49

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