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From: Simone Felici (s.felicialpikom.it)
Date: Wed May 07 2008 - 01:59:49 CDT
Aaron Wolfe ha scritto:
> On Tue, May 6, 2008 at 6:54 AM, Charles Marcus
> <CMarcusmedia-brokers.com <mailto:CMarcusmedia-brokers.com>> wrote:
> On 5/6/2008, Simone Felici (s.felicialpikom.it
> <mailto:s.felicialpikom.it>) wrote:
> My servers process more or less 6.500.000 mails per day. Of them
> ONLY 170.000 mails are accepted, the rest is, in order:
> - blocked by RBLs (65%)
> - blocked by greylist (30%)
> - blocked by other causes (not found, mailbox full, other
> reasons) (5%)
> Really? I would think that the vast majority would be blocked by
> recipient validation?
> yes this seems odd, usually bad address would be #1 I think.
> here I see (rough average over 91.5 million messages and ~100 domains):
> 35% bad recipient
> 25% blocked by greylist
> 20% blocked by DNS/RFC checks
> 20% blocked by RBLs
> Are you using RBLs/greylisting before verifiying the user exists? This
> seems wasteful, or is there a reason I don't know?
Maybe user validation would block the most...
Here I've a strange postfix setup due previous mailsystems. I need to verify first internal postfix checks befor (rbl, greylist) and then check mail
validation, because I need to execute a (little, but heavy enought) script to check the mail validation. So I want to reduce to the maximum the
incoming mails befor this check.
Maybe a day I'll have all my email-system in postfix, I hope! :)
Simone Felici E-Mail: s.felicialpikom.it
Divisione Tecnica Tel: 0461 030 111
Alpikom S.p.A. Fax: 0461 030 112
v.Fersina, 23 - 38100 Trento URL: http://www.alpikom.it