Dovecot -v 2.2.27 (c0f36b0): Outgoing mail server fails

[Aki Tuomi]

> On 06 October 2018 at 23:37 Tommy Lane <lukelane124 at gmail.com> wrote:
> 
> 
> 
> DOMAIN replaced actual DNS resolvable address.
> 
> On Oct 6, 2018, at 3:20 PM, Jerry <jerry at seibercom.net> wrote:
> 
> On Sat, 6 Oct 2018 11:00:17 -0500, Tommy Lane stated:
> 
> > Hello Everyone,
> > I'm having an issue with a recent install of postfix and Dovecot. I can
> > authenticate without any issues for "incoming" mail server, but when I
> > attempt to send an email from the account my client gives an auth error.
> > the server shows that I was authed using plain-auth, which I would also
> > like to change as these machines are accross the open internet.
> > 
> > Any help would be greatly appreciated.
> > 
> > -Tommy
> 
> Log files would help. Also, the output of "dovecot -n" might prove useful.
> 
> -- 
> Jerry
>

This sounds more like a postfix than dovecot issue, **but** please see https://wiki.dovecot.org/HowTo/PostfixAndDovecotSASL

Aki