dovecot-lda without starting dovecot?

Sami Ketola sami.ketola at dovecot.fi
Mon Nov 20 13:01:28 EET 2017


> On 20 Nov 2017, at 12.54, Stephan von Krawczynski <skraw.ml at ithnet.com> wrote:
> 
> If I had lets say 10 nodes handling incoming SMTP and delivery to local
> maildirs in parallel and independantly on a network storage and imapping this
> from another independant 4 nodes, then building a not needed bottleneck by
> shifting over the local delivery via director and LMTP to fewer nodes is just
> braindead creation of high loads on few boxes.
> 
> And btw it scales perfectly because all that is needed if load increases is
> up'ing additional nodes for SMTP/delivery or IMAP _which are all the same (of
> two types)_.
> 
> The loadbalancer needed for this can be equally used for e.g. web, ftp and
> other services. So there is absolutely no extra stuff needed for the mail
> setup.

Thanks for the info. But I was more after some real performance figures such as
LMTP deliveries per second, IMAP logins per second or number of concurrent
IMAP connections or mails FETCH/sec.

Sami



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