Sender verify failed cPANEL

If you have problems with your cPanel server not receiving mail from certain email addresses here is why :

When cPANEL in in the process of receiving a message, it contacts the sender’s server to establish a verification connection.
If the connection times out or the sender’s server is configured in such a way that it rejects the connection, the result is : Sender verify failed
In my case the sending server is running ISPConfig, that hosts a site with a email web form.
To resolve this, you need to add the recipient server IP in WHM Home -> Service Configuration -> Exim Configuration Manager -> Sender verification bypass IP addresses.

Sender verification bypass IP addresses

Sender verification bypass IP addresses


  1. THanks for the solution. It worked for me

    • Niko on May 29, 2018 at 3:50 pm
    • Reply

    Thank you. Your solution fixed the issue! 🙂

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