Mail from Outside our Domain not Stored

Antony Stone Antony.Stone at
Tue Jun 11 19:46:13 UTC 2019

On Tuesday 11 June 2019 at 21:36:22, Lamar Milligan via MailScanner wrote:

> Email from outside our domain are not stored in the quarantine folders. 
> If email originates from our domain it is processed as expected, both
> stored and delivered to recipients.  MailScanner runs on a mail gateway
> running sendmail.  All users have entries in the /etc/aliases file that
> actually delivers email to accounts on our Zimbra server.  I suspect that
> is the reason for this behavior, but would really appreciate input from
> others. 

Please describe the network layout between:

 - clients sending & receiving mail
 - the "mail gateway" running sendmail and MailScanner
 - the Zimbra server
 - the Internet connection

What's most important is to explain the route email takes:

1 - from a client, via MailScanner, to the outside world

2 - from the outside world, via MailScanner, to the client



Tinned food was developed for the British Navy in 1813.

The tin opener was not invented until 1858.

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