cPanel Server DNS Issues Affecting Outbound Email

dr00t

• August 05, 2014 01:13

I recently noticed that several PHP scripts on my sites that send to external email addresses when submitted, are bouncing back mail to the "default account email address" for that account. I checked, and the email destination is fine - so I believe the DNS affecting outbound email FROM my server is screwed up. Anyone have any idea where I go to confirm / check this setting? I cannot figure out how to even see what DNS records are being referenced when mail is being sent from my server. Thank you in advance!

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  cPanelMichael

  • August 05, 2014 12:39

  Hello :) What method is the script using to send out email? Is it using SMTP authentication or the Mail function with PHP? Thank you.

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  dr00t

  • August 05, 2014 12:42

  [quote="cPanelMichael, post: 1701541">Hello :) What method is the script using to send out email? Is it using SMTP authentication or the Mail function with PHP? Thank you.
  The Mail function with PHP.

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  cPanelMichael

  • August 05, 2014 15:16

  The default behavior when sending email through PHP is to use the cPanel username and hostname of the server to construct the envelope-sender address. If you can configure the mailer to use SMTP and authenticate with SMTP AUTH, this will set the correct "Return-Path" in the headers. Thank you.

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  dr00t

  • August 06, 2014 22:04

  [quote="cPanelMichael, post: 1701821">If you can configure the mailer to use SMTP and authenticate with SMTP AUTH, this will set the correct "Return-Path" in the headers.
  I guess my next questions is... how do I configure the mailer to use SMTP and authenticate with SMTP AUTH

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  cPanelMichael

  • August 07, 2014 13:39

  It depends on the specific script you are using. Check with a developer or support team for that script to see if you can enable it directly, or if any custom modifications are required. Thank you.

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