> 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.