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Joe Strusz wrote:
> Whenever i telnet to port 25, and issue the AUTH PLAIN command i receive
> this:
>
> 538: Encryption required for requested authentication mechanism.
>
> What does this mean?
>
> I could really use some help on this... its been bugging me for weeks now.
>
> Also, I do have smtpd_tls_auth_only = yes line
>
>
> Please help
>
> blargh.
>
> Your fellow befumbled gentoo user.
It means exactly what the error message says:
In order for your request to be accepted, you must first encrypt your
data stream.
Postfix is only doing what you told it to do in main.cf with:
smtpd_tls_auth_only = yes (only allow authentication for smtpd services
when TLS is established).
-dave
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