On Wed, 06 Jun 2012 20:40:01 +0200
Benny Pedersen articulated:
Den 2012-06-06 05:46, Curtis skrev:
[snip]
I better stop asking questions now since I might be getting ahead of
my self if my assumption about
smtpd_discard_ehlo_keyword_address_maps
does not actually apply to outbound email...
* Curtis postfixu...@isparks.com:
It seems we are running into an increased number of hosts that have
broken smtp pipelining. We are able to resolve delivery issues to
these hosts using the solution that Wieste recommended a couple weeks
ago:
Curtis:
smtp_discard_ehlo_keywords = pipelining,silent-discard
(Again, this time without the d.) Aside from a little extra bandwidth,
would this cause outbound deliveries to go horrendously slower on a busy
mail server?
The issue is NOT bandwidth (i.e. the width of a pipe). It's latency
On 6/6/2012 8:45 AM, Wietse Venema wrote:
Curtis:
smtp_discard_ehlo_keywords = pipelining,silent-discard
(Again, this time without the d.) Aside from a little extra bandwidth,
would this cause outbound deliveries to go horrendously slower on a busy
mail server?
The issue is NOT bandwidth
Curtis:
Yeah, I figured it would be a pretty significant slow down for hosts
that support it... I just wasn't sure what percentage of hosts support
pipelining. If only 10% of hosts were using it in the first place, the
40% extra delivery time lost on those hosts might be managable... but,
On Wed, Jun 06, 2012 at 03:24:41PM -0400, Wietse Venema wrote:
Curtis:
Yeah, I figured it would be a pretty significant slow down for hosts
that support it... I just wasn't sure what percentage of hosts support
pipelining. If only 10% of hosts were using it in the first place, the
40%
It seems we are running into an increased number of hosts that have
broken smtp pipelining. We are able to resolve delivery issues to these
hosts using the solution that Wieste recommended a couple weeks ago:
http://www.mail-archive.com/postfix-users@postfix.org/msg44135.html
However, I'm