> On Apr 20, 2018, at 4:52 PM, David Mehler <dave.meh...@gmail.com> wrote:
> 
> I'm atempting to configure email autoconfig and autodiscover services
> for Mozilla and Microsoft clients. I'm using Postfix 3.3. At first I
> thought I was dealing with either an Apache or Dovecot issue, now I'm
> thinking it's an error with my Postfix configuration.
> 
> Whenever I atempt a connection I'm getting this in my postfix error log file:
> 
> Apr 20 14:37:00 hostname postfix/submission/smtpd[92360]: improper
> command pipelining after EHLO from Connecting-Machine-Hostname-And-IP:
> QUIT\r\n

This client does not implement SMTP correctly.  There's nothing wrong
with the Postfix configuration.  The client MUST wait for the EHLO
response *before* sending QUIT.

-- 
        Viktor.

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