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Title: 550 Error, Recipient address rejected
Post by: 1929flows on May 09, 2018, 06:59:19 AM

Dear community,

I need your help! Since 2 weeks my school cannot send any messages anymore, because of this error: SMTP Error (550): Failed to add recipient "[email protected]" (5.1.1 <[email protected]>; Recipient adress rejected: yahoo.de).

We can not send messages anymore, nor reply. I would greatly appreciate your help.

Kind regards,

Carlo

Title: Re: 550 Error, Recipient address rejected
Post by: JohnDoh on May 11, 2018, 02:07:54 AM

That error is coming from your SMTP server so you need to contact your email provider for help. It could be you need to configure SMTP authentication in Roundcube.

Title: Re: 550 Error, Recipient address rejected
Post by: crasheg on May 15, 2018, 08:37:34 AM

Chek your server IP in spam lists.

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Release Support => Pending Issues => Topic started by: 1929flows on May 09, 2018, 06:59:19 AM