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Cali

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Hello! If I set kerio SMTP to "deliver directly using DNS MX Records" I get the error 550 5.7.1 relaying to <domain> denied Authentication required.

If I see to use relay server everything goes ok. but I need this server to be able to send emails directly. Any ideas?

This started to happen when I setted kerio to relay though another server, but when reversed, for a while it works, but after let's say 50 emails, the authentication required returns

Any ideas? Thanks.

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m.ludwig

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did you set your dns mx record correct? if hosted by an external webhoster you have to set your mx record to point to your mailserver there and add the mx record to your local dns too.
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Cali

Messages: 37
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Yes, they are correct. I'm not trying to receive any email, I just need to send though this server
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Think Fixed

Messages: 394

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Have you tried setting your server to use SSL/TLS if supported by remote SMTP sever? You will find that setting under SMTP Server - SMTP Delivery.


Howie Isaacks
Systems Admin | Apple Solutions Consultant
Think Fixed LLC, Dallas and Fort Worth

www.thinkfixed.com
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