From: Wietse Venema (wietseporcupine.org)
Date: Tue May 01 2007 - 10:13:21 CDT

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Peter Rabbitson:
> Hi,
>
> I am experiencing 421 errors between my secondary and primary MXes, and
> it seems it is cause by lack of connection caching.

What is the error message?

> http://www.postfix.org/postconf.5.html#smtp_connection_cache_on_demand
> misses to explain what is "high volume of mail in the active queue".
> When is exactly connection caching activated?

Roughly, it is activated when the active queue contains another
message before the current delivery is completed.

        Wietse

> Thanks
>
> Peter
>
> P.S. I know that I can permanently enable connection caching on the
> secondary MX when talking to the primary but I am trying to keep the
> configuration concise.
>
>

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]