Change server response to non existent email

Shood

• January 29, 2019 14:13

Hello If someone send a message to non-exist email for a domain on my server, it reply with a message contains user_account_name@myserver, instead of the original email the sender sent to, so the sender will receive a reply like this: could not deliver mail to account_name@server1.myserver.ltd. The account or domain may not exist... etc
It'ss strange that this issue started from a couple of days although I didn't make any change in Tweak or Exim settings (Tweak Settings: Initial default/catch-all) is configured to Fail, and I don't want to use Blackhole because I'm under mail attacks all the time. My question: where to control the server reply when receiving a message to non exist email address, I prefer the server to don't send any reply at all, but at least to send a reply that the "fakeemail" instead of "user_account_name" not exist Regards

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  velnix

  • January 30, 2019 05:22

  Value in the Tweak setting can be override from Cpanel settings of the domain/account. Are you sure that it is set to the default ID ?

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  Shood

  • January 30, 2019 05:43

  Thank you @velnix This issue occurring with all accounts, not for a specific one

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  cPanelLauren

  • January 31, 2019 19:27

  HI @Shood The issue sounds like it's with where the bounce is being sent not that there's an issue with fact that mail to users who don't exist is bouncing. Can you tell me what you have set for [QUOTE] EXPERIMENTAL: Rewrite From: header to match actual sender If you enabled this option, the From: header will be rewritten to be the email address of the actual message sender. If you choose the "remote" option, only messages that are being sent to remote destinations will be affected.
  

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  Shood

  • February 02, 2019 16:47

  Thank you @cPanelLauren I see as detailed in this option that it's for the actual message sender anyway EXPERIMENTAL was disabled, I tried both: All and Remote and nothing changed, The sender (let's say: anymail@yahoo.com) still receiving cPanel_account_name@myserver.com not exist when he sending to non-existent email (let's say: nomail@mydomain.com) which [mydomain.com] is hosted on [myserver.com] in this example. Another setting please? Regards

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  cPanelLauren

  • February 04, 2019 16:48

  Hi @Shood Do you have any exim customizations in place or is there anything present in /etc/exim.conf.local?

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