550 Error From Yahoo Addresses

DeWebDude

• August 19, 2014 14:23

Hello All, This is a strange message, that I'm not sure makes sense. When a user of Yahoo/Bellsouth/SBCGlobal tries to email someone on our cPanel Server they get rejected with: Remote host said: 550 signature_incorrect [BODY] Also, many posts make it seem like DKIM would be the problem I would think thats only if we can't email them. I can't pinpoint the real cause/source of the problem. Any assistance appreciated. FYI Google not to helpful with this.

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  cPanelMichael

  • August 19, 2014 19:43

  Hello :) Is MailScanner installed on your system? If so, does the issue persist if you temporarily disable MailScanner? Thank you.

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  DeWebDude

  • August 20, 2014 00:27

  [quote="cPanelMichael, post: 1711861">Hello :) Is MailScanner installed on your system? If so, does the issue persist if you temporarily disable MailScanner? Thank you.
  I don't believe it's installed, I see SA, I looked for scan, or mailscan in the WHM search. Where in the config can I confirm if we are utilizing it? Thanks!

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  cPanelMichael

  • August 20, 2014 14:51

  You could use a command such as "ps aux|grep MailScanner" to see if there is any output. Otherwise, feel free to open a support ticket using the link in my signature so we can take a closer look. You can post the ticket number here so we can update this thread with the outcome. Thank you.

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  DeWebDude

  • August 20, 2014 16:44

  [quote="cPanelMichael, post: 1712462">You could use a command such as "ps aux|grep MailScanner" to see if there is any output. Otherwise, feel free to open a support ticket using the link in my signature so we can take a closer look. You can post the ticket number here so we can update this thread with the outcome. Thank you.
  I ran a ps auxw | grep -i mailscan to insure we got anything close and nothing is running.

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  cPanelMichael

  • August 20, 2014 16:49

  Please let us know the ticket number should you decide to open a support ticket so we can take a closer look. Thank you.

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  kci_design

  • August 21, 2014 20:13

  Having the exact same issue, disabled DKIM rejection and we can receive them now, but would be nice to see what is the cause of this. Could it just be a misconfiguration on Yahoo's end?

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  cPanelMichael

  • August 21, 2014 20:22

  [quote="kci_design, post: 1714131">Having the exact same issue, disabled DKIM rejection and we can receive them now, but would be nice to see what is the cause of this. Could it just be a misconfiguration on Yahoo's end?
  Did you have any applications such as MailScanner installed? Thank you.

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  Alexis Bennett

  • September 15, 2014 20:15

  I am having the same problem, and my account says that DKIM is disabled. Anyone who tries to send to me from a Yahoo address either gets a 550 error or nothing happens at all, and I never get the mail. Yahoo seem to be really hard to get hold of. Can anyone help?

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  cPanelMichael

  • September 15, 2014 20:20

  [quote="Alexis Bennett, post: 1730322">I am having the same problem, and my account says that DKIM is disabled. Anyone who tries to send to me from a Yahoo address either gets a 550 error or nothing happens at all, and I never get the mail. Yahoo seem to be really hard to get hold of. Can anyone help?
  Your access level is listed as "Website Owner". Do you have root access to your server? If not, please contact your web hosting company for assistance with this issue. Thank you.

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