Prev-20 Home Next-20 6 msg DSN relay host 1 msg Restrict sender and from to one domain on outbo... 10 msg Outbound postfix routing issue 25 msg Problem with Black List 3 msg Looking at new mail server layout 26 msg why every minute: 'reload configuration /etc/po... 2 msg myhostname parameter 17 msg RBL problems with smarthost on private address ... 34 msg Backscatting filter? 3 msg how to setup postfix in 'deliver-only' mode? 7 msg Slow queue configuration 17 msg Some Windows SMTP Server have problems with STA... 5 msg For each check_ns or each check_mx, the value i... 4 msg postfix and spf 2 msg Password Validation in postfix 4 msg catching some spam with warn_if_reject and reje... 9 msg RFC: Check mail quota at a mail relay (backscat... GPS vs GLD (greylisting) \ Arturo 'Buanzo' Busleiman (5 May 2008) . \ Leonardo Rodrigues Magalhães (5 May 2008) . . \ Tony Holmes (5 May 2008) . \ Ralf Hildebrandt (5 May 2008) . . \ Arturo 'Buanzo' Busleiman (5 May 2008) . . . \ Ralf Hildebrandt (5 May 2008) . . . \ dryden (6 May 2008) . . . . \ Arturo 'Buanzo' Busleiman (6 May 2008) . . . . . \ Aaron Wolfe (6 May 2008) . . . . . . \ Arturo 'Buanzo' Busleiman (6 May 2008) . . . . . . . \ Aaron Wolfe (6 May 2008) . . . . . \ Ralf Hildebrandt (6 May 2008) . . . . . \ Brian Collins (6 May 2008) . . . . . . \ Arturo 'Buanzo' Busleiman (6 May 2008) . . . . . . . \ mouss (6 May 2008) . . . \ Eino Tuominen (13 May 2008) . . . . \ Arturo 'Buanzo' Busleiman (13 May 2008) . \ Jason Pruim (5 May 2008) . . \ Tony Holmes (5 May 2008) . . . \ Jason Pruim (5 May 2008) . . . . \ Arturo 'Buanzo' Busleiman (5 May 2008) . . . . . \ Aaron Wolfe (5 May 2008) . . . . . . \ mouss (5 May 2008) . . . . \ Tony Holmes (5 May 2008) . \ Simone Felici (6 May 2008) . . \ Rod Whitworth (6 May 2008) . . . \ Zhang Huangbin (6 May 2008) . . \ (Wietse Venema) (6 May 2008) . . \ Charles Marcus (6 May 2008) . . . \ Aaron Wolfe (6 May 2008) . . . . \ Simone Felici (7 May 2008) 3 msg Unmeant update from 2.2.10 to 2.5.1 27 msg mailq lockups Prev-20 Home Next-20

Prev-Msg Prev-Thread Postfix-users May-2008 Next-Thread Next-Msg Subject: Re: GPS vs GLD (greylisting) Group: Postfix-users From: Simone Felici Date: 7 May 2008 Aaron Wolfe ha scritto: > > On Tue, May 6, 2008 at 6:54 AM, Charles Marcus > <CMarcus <mailto:CMarcus>> wrote: > > On 5/6/2008, Simone Felici (s.felici > <mailto:s.felici>) 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? > -Aaron > > 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! :) Byebye -- Simone Felici E-Mail: s.felici Divisione Tecnica Tel: 0461 030 111 Alpikom S.p.A. Fax: 0461 030 112 v.Fersina, 23 - 38100 Trento URL: http://www.alpikom.it Prev-Msg Prev-Thread Postfix-users May-2008 Next-Thread Next-Msg

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