Receiving unknown Bounce emails from exim

ashok_iw

• October 04, 2016 00:30

Hello, I am unsure how a hacker can use my email in Envelope-to: and try to send spam and finally bounce that to Return-Path: Do we have any setting to tweak in exim to control or block or deny such emails? Below is the mail header of unknown bounce emails I receive. - Removed Please See Guide To Opening An Effective Forums Thread -

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  cPanelMichael

  • October 06, 2016 23:25

  Hello, It seems like you are referring to email spoofing (someone uses your email address in the "FROM" field). SPF and DKIM are useful for preventing spoofing if the remote mail server verifies those records. The following document is a good resource for this: How to Keep your Email out of the Spam Folder - cPanel Knowledge Base - cPanel Documentation Thank you.

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  ashok_iw

  • October 08, 2016 03:41

  Thank you! Meanwhile How can I perform similar spoof test?

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  cPanelMichael

  • October 10, 2016 16:38

  Meanwhile How can I perform similar spoof test?

  
  You could try sending an email from your domain name using a PHP script on another server. Send the message to a server with SPF verification enabled to see if it's correctly rejected. Thank you.

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