Author Topic: 550 #5.1.0 Address rejected [WEBMAIL]  (Read 316 times)

Offline erickoooo

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550 #5.1.0 Address rejected [WEBMAIL]
« on: May 09, 2024, 04:34:11 PM »
Hello, I recently set up my webmail addresses (e.g. using Roundcube and everything was seamless.

1. I can send messages from the addresses
2. I can receive messages from Wordpress (i.e notifications of password changes etc)
3. HOWEVER, when I try sending emails to the address via Gmail and Yahoo accounts, they all fail saying "address not found" - Gmail in particular gives me the error code is the subject line of this post

Anyone with an idea how to fix this? I am really frustrated and my reseller isn't doing much to help. Any help with be highly appreciated.

Thanks All

Offline SKaero

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    • SKaero - Custom Roundcube development
Re: 550 #5.1.0 Address rejected [WEBMAIL]
« Reply #1 on: May 09, 2024, 07:48:57 PM »
You most likely have some DNS or something else on the mail server side setup incorrectly. Try testing using and it should tell you what is wrong.