The IP you're using to send email is not authorized

rokibul hasan

• March 02, 2019 22:17

Is anyone please help me how to solve this problem?? is there any documentation or tutorial?? What can I do to fix this? Your ISP may provide SMTP relays which will accept mail from your IP, and these servers should be authorized to send mail. Some ISPs may provide a way to get an IP that is authorized, either by upgrading to business class service or static IP service. You should reach out to your ISP to see what options are available.

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  GOT

  • March 03, 2019 15:16

  There's not a lot of detail here, but that sounds like an explanation as to why an ISP is blocking port 25. If that is what is happening to you, you may want to try using port 587 for sending mail instead.

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  cPanelMichael

  • March 04, 2019 22:28

  Hello @rokibul hasan, Can you share some more information about when this happens? For instance, are you sending an email to Gmail? Do you have root access to the cPanel & WHM server? Have you checked with your ISP to see if this is a known issue when using their service to send emails to Gmail? Thank you.

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