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Home » Kerio User Forums » Kerio Connect » SMTP AUthentication Issue (50 5.7.1 Relaying to <myname<_a.t_>yahoo.com> denied (authentication required)))
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vijayadi

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Hi,
I am trying to setup the kerio email license which we had earlier. I am running into issues when we try to send email from our domain to other domains(eg yahoo.com)


Below are smtp options we selected

Configuration -> SMTP Server -> Relay Control.
We have selected the following checkbox

Users authenticated through SMTP for outgoing mail


Apart from this we also selected the option "Relay Control" smtp user and password required


The issue is

We can send and receive email in our own domain. We can also receive email from other domains.

But when we try to send mails to other domains we get the following error.

550 5.7.1 Relaying to <myname<_a.t_>yahoo.com> denied (authentication required))


Please help me to find a solution for this.

Thanks,
Viji
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freakinvibe

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What client are you using for sending mail? Outlook, Webmail?

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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vijayadi

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Thanks for the response. Currently I am trying it from webmail.
Thanks,
Viji
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vijayadi

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Thanks for the response. Currently I am trying it from webmail because web mail is more important for us since most our people travel a lot.
Thanks,
Viji
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freakinvibe

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You are definitely authenticated when using Webmail. Is it possible that you get this message from a relay host? Check if you are using direct mail sending via DNS or if you are using a smart (relay) host for sending mails.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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