Paul (NCC/CS) wrote:
> thanks Timo and Chuck, this explains heaps.

You're welcome.

> re the time to try again, so it will go through,
> 
> i get in /var/log/maillog:
> Jun 17 16:03:26 spirit sendmail[549]: k5H5w30b000296: to=<port-sparc@NetBSD.org>, delay=00:05:12,
> xdelay=00:00:02, mailer=esmtp, pri=363222, relay=mail.netbsd.org. [204.152.190.11], dsn=4.2.0,
> stat=Deferred: 450 <port-sparc@NetBSD.org>: Recipient address rejected: Greylisting in action,
> please try later
> Jun 17 17:49:26 spirit sm-mta[2510]: k5H5w30b000296: to=<port-sparc@NetBSD.org>, delay=01:51:12,
> xdelay=00:00:03, mailer=esmtp, pri=1443222, relay=mail.netbsd.org. [204.152.190.11], dsn=4.2.0,
> stat=Deferred: 450 <port-sparc@NetBSD.org>: Recipient address rejected: Greylisting in action,
> please try later
> 
> does that mean try again in 5 minutes for the first one?

That was the delay seen on your side, actually.

> it doesn't exactly say "try again in x minutes"

You're right...some greylist implementations tell you (ie, postgrey), whereas 
the sendmail-milter greylist doesn't appear to.

> also the second one says nearly 2 hrs!
> horror horror.

Yeah, that's longer than I'd expect greylisting to block a message (although 
it is tunable); you might want to forward those log messages to 
postmaster@netbsd.org and ask about it...

-- 
-Chuck