... If clients and their programs are "trusted" senders, then exclude them from RBL checks. -- Sahil Tandon <sahil@...>...
251881
Robert Schetterer
robert@...
Apr 4, 2009 4:17 pm
Hi, the redesign of the clamav-milter 0.95 does quarantaine in the hold queue before infected mails were written to some configurable dir havening them in...
251882
Wietse Venema
wietse@...
Apr 4, 2009 4:25 pm
... 2ACDFBA Is the Postfix bounce message, directed to the sender address of message 96B0EB8 that could not be delivered. If you want to find out why this...
251883
Victor Duchovni
Victor.Duchovni@...
Apr 4, 2009 4:52 pm
... Here's my suggestion: - Create a second Postfix instance in the same file-system. - Run a cron job to move (rename(2)) messages from the HOLD queue of the...
251884
Robert Schetterer
robert@...
Apr 4, 2009 5:01 pm
... Hi Victor, this sounds very complicated i was thinking more about a cron cript like this ( surly modified to the hold issue ) #!/bin/sh # we need to clean...
251885
Victor Duchovni
Victor.Duchovni@...
Apr 4, 2009 5:07 pm
... Yes, I am proposing a robust, comprehensive system that could serve a variety of needs. ... What do mail-daemon messages have to do with junk placed in the...
251886
LuKreme
kremels@...
Apr 4, 2009 6:11 pm
I've seen an increase in backscatter emails recently. Perfectly valid headers (AFAICT) Return-Path: <> X-Original-To: kreme@... Delivered-To:...
251887
Xn Nooby
xnooby@...
Apr 4, 2009 7:42 pm
I am working on a Webmail solution, that uses Squirrelmail, Postfix, and Dovecot. I am trying to block email between users, and I don't seem to be able to do...
251888
Wietse Venema
wietse@...
Apr 4, 2009 7:59 pm
... Does the Webmail solution use SMTP? Wietse...
251889
Paweł Leśniak
warlord@...
Apr 4, 2009 8:08 pm
... I'd recommend using rbl checks specified for this: backscatter.map: <> reject_rbl_client ips.backscatterer.org, reject_rbl_client bl.spamcannibal.org ...
251890
Robert Schetterer
robert@...
Apr 4, 2009 8:22 pm
... you missunderstood it was only meant as a principle example script which i used times ago to delete mailerdaemon mails, it may be modified to fit new needs...
251891
Noel Jones
njones@...
Apr 4, 2009 10:02 pm
... ... Not surprising, since the message is sent by a real MTA. ... Good suggestion. This will reject bounces from known backscatter sources. ... These two...
251892
Barney Desmond
barneydesmond@...
Apr 4, 2009 10:07 pm
... People seem to ask about this specific scenario a bit (want to stop users sending mail to each other), I wonder why. Seems kinda silly to me. Anyway... ......
251893
Noel Jones
njones@...
Apr 4, 2009 10:16 pm
... Here's a dorky script I use to release mail on hold after a few days. I have some questionable header_checks that HOLD mail and don't want to keep mail on...
251894
LuKreme
kremels@...
Apr 5, 2009 2:15 am
... Is there anything I need to be concerned about having/not having in smtpd_data_restrictions? it is currently commented out. if I simply put: ...
251895
Sahil Tandon
sahil@...
Apr 5, 2009 2:28 am
... The trailing permit is unnecessary. And some people worry about blocking legitimate mail from sites listed on those RBLs. If you share that fear, you ...
251896
LuKreme
kremels@...
Apr 5, 2009 3:34 am
... That didn't go well: Apr 4 20:15:28 mail postfix/smtpd[16843]: 60D15118AC14: reject: DATA from english-breakfast.cloud9.net[168.100.1.7]: 554 5.7.1...
251897
Xn Nooby
xnooby@...
Apr 5, 2009 3:59 am
... Hurray, that worked! I was able block an email after changing SquirrelMail from "sendmail"; to "SMTP". FYI, this email server is for internal use, in an...
251898
Paweł Leśniak
warlord@...
Apr 5, 2009 6:54 am
... You should NEVER use ips.backscatterer.org as global RBL. You'll block legitimate mails for sure. The question is only how many. Also using...
251899
mouss
mouss@...
Apr 5, 2009 9:48 am
... The RBL checks you added will reject legitimate mail. As already suggested, use a check_sender_access map to call these RBLs only when the sender is...
251900
Noel Jones
njones@...
Apr 5, 2009 12:33 pm
... The example showed using an access map that only checked mail with the null sender. As you see, using ips.backscatterer.org as a general purpose RBL is...
251901
Scott Lewis
sglewis@...
Apr 5, 2009 2:58 pm
... Agree with your both of your comments but in the interest of brevity only quoted the above. One has to be super careful in checking against RBLs -...
251902
Munroe Sollog
sollog@...
Apr 5, 2009 4:39 pm
... Hash: SHA1 I recently replaced a hash lookup with a pcre lookup. It seems that postfix will use the .db if it exists even though pcre:/path/to/file is...
251903
mouss
mouss@...
Apr 5, 2009 4:49 pm
... Your observation is wrong. postfix will use the map that is specified in the config. it will not try a .db just because it is there. you may need a...
251904
LuKreme
kremels@...
Apr 5, 2009 6:23 pm
... Oh, right. Doh. -- In England 100 miles is a long distance. In the US 100 years is a long time...
251905
Bryce Nesbitt
bryce2@...
Apr 5, 2009 9:40 pm
... Sure, I 'm fighting the system. But I'm willing to alter the system also so there is less fighting :-). And there IS a reason to prefer one over the...
251906
M.A. GEERTSMA
jgeertsma@...
Apr 6, 2009 3:05 pm
Hello, I need some help with the following configuration setup: - I have 4 domains, with several unix-account users. the uses/domains are a complete mix. -...
251907
Len Conrad
lconrad@...
Apr 6, 2009 4:26 pm
We have a simple restriction class to which we apply SAV and RAV to a very small class of msgs: some_class = check_helo_access...
251908
brian moore
bem@...
Apr 6, 2009 4:45 pm
On Fri, 3 Apr 2009 22:54:27 -0400 (EDT) ... Though that will change 'every' sender to be that sender which may not be correct (virtual hosts, webmail, etc). ...
251909
Victor Duchovni
Victor.Duchovni@...
Apr 6, 2009 5:35 pm
... Normal if the verification status is a transient 4XX failure rather than a final 5XX reject. http://www.postfix.org/postconf.5.html#defer_if_permit ...
