Re: 501 The first command in a session must be the HELO command

2009-01-25 Thread Peter Micunek
On Fri, 23 Jan 2009 08:10:25 -0600, Noel Jones wrote > Peter Micunek wrote: > > Hi, > > I have a strange problem with some email sessions. > > Postfix 2.5.2 is configured like email router. > > It receives emails from many sources and sends them to one destination. > > Each rules for mail routing

relay_domain = * safe configuration?

2009-01-25 Thread James Robertson
Hi, If I have: relay_recipient_maps = hash:/etc/postfix/recipients which is populated with addresses accepted for delivery on my server and have: smtpd_recipient_restrictions = reject_unlisted_recipient, Can I safely set: relay_domains = * ??? Thanks, James

Re: relay_domain = * safe configuration?

2009-01-25 Thread Robert Schetterer
James Robertson schrieb: > Hi, > > If I have: > > relay_recipient_maps = hash:/etc/postfix/recipients > > which is populated with addresses accepted for delivery on my server and have: > > smtpd_recipient_restrictions = reject_unlisted_recipient, > > Can I safely set: > > relay_domains = * >

Re: relay_domain = * safe configuration?

2009-01-25 Thread Magnus Bäck
On Sunday, January 25, 2009 at 13:23 CET, James Robertson wrote: > If I have: > > relay_recipient_maps = hash:/etc/postfix/recipients > > which is populated with addresses accepted for delivery on my server > and have: > > smtpd_recipient_restrictions = reject_unlisted_recipient, > > Can

Re: relay_domain = * safe configuration?

2009-01-25 Thread mouss
James Robertson a écrit : > Hi, > > If I have: > > relay_recipient_maps = hash:/etc/postfix/recipients > > which is populated with addresses accepted for delivery on my server and have: > > smtpd_recipient_restrictions = reject_unlisted_recipient, > > Can I safely set: > > relay_domains = *

Re: relay_domain = * safe configuration?

2009-01-25 Thread Magnus Bäck
On Sunday, January 25, 2009 at 13:53 CET, Magnus Bäck wrote: > On Sunday, January 25, 2009 at 13:23 CET, > James Robertson wrote: > > > If I have: > > > > relay_recipient_maps = hash:/etc/postfix/recipients > > > > which is populated with addresses accepted for delivery on my server

Re: relay_domain = * safe configuration?

2009-01-25 Thread Wietse Venema
James Robertson: > Hi, > > If I have: > > relay_recipient_maps = hash:/etc/postfix/recipients > > which is populated with addresses accepted for delivery on my server and have: > > smtpd_recipient_restrictions = reject_unlisted_recipient, > > Can I safely set: > > relay_domains = * No, beca

Re: relay_domain = * safe configuration?

2009-01-25 Thread James Robertson
On Sun, 25 Jan 2009 23:58:36 mouss wrote: > James Robertson a écrit : > > Hi, > > > > If I have: > > > > relay_recipient_maps = hash:/etc/postfix/recipients > > > > which is populated with addresses accepted for delivery on my server and > > have: > > > > smtpd_recipient_restrictions = reject_unlis

Re: forged spam mails

2009-01-25 Thread bharathan kailath
it is only in the From Header yahoo domain appears! On Sat, Jan 24, 2009 at 11:01 PM, Sahil Tandon wrote: > On Sat, 24 Jan 2009, bharathan kailath wrote: > > > i get spam mails that pretend to be from yahoo (eg.from yahoo.it, > yahoo.nl) > > on my postfix relay; how can i prevent such kind of f

Re: forged spam mails

2009-01-25 Thread mouss
bharathan kailath a écrit : > it is only in the From Header yahoo domain appears! > Please do not top post. put your replies after the text you reply to. if it is the From: header, then you can't block it with postfix alone (header_checks apply to all mail, and check one header at a time). you

Antonello Provenzano ti ha lasciato un nuovo messaggio su Badoo!

2009-01-25 Thread Badoo
Hai ricevuto un nuovo messaggio su Badoo! Antonello ha lasciato un messaggio per te. Segui questo link per leggerlo: http://eu1.badoo.com/antonello/in/1005368 Inoltre, altra gente ti ha cercato: BAD BOY (Zürich, Svizzera)Samia Lol (Aubange, Belgio)Chico Moreno (Tangier, Marocco) Se clicc

Antonello Provenzano ti ha lasciato un nuovo messaggio su Badoo!

2009-01-25 Thread Badoo
Hai ricevuto un nuovo messaggio su Badoo! Antonello ha lasciato un messaggio per te. Segui questo link per leggerlo: http://eu1.badoo.com/antonello/in/1005371 Inoltre, altra gente ti ha cercato: Sino Zhou (Pekin, Cina)Xingwei Jia (Pekin, Cina)MiaoMiao Lee (Pekin, Cina) Se cliccando sul l

Re: Blocking Phishing emails

2009-01-25 Thread Voytek Eymont
On Sat, January 24, 2009 1:39 am, Noel Jones wrote: > reject_unknown_reverse_client_hostname reject_rbl_client zen.spamhaus.org > {a greylisting policy service} Noel, is that a good place to add reject_unknown_reverse_client_hostname ? smtpd_recipient_restrictions = permit_sasl_authenticated

Re: Header & body checks among other things!!

2009-01-25 Thread John Allen
Bill Farina wrote: > I'm not certain if I'm getting what you're saying here, but as I > understand it, deleting spam upstream without allowing the recipient > to peruse it is a bad idea. > > Everybody's mail is different and will require different spam rules. > Spam filtering is fallible. I run P

How to keep user from responding to a phishing email

2009-01-25 Thread Lance Longstreth
Our mail system has fallen victim to a phisher email in the last couple of days. I was wondering if there is a way in postfix to keep our users from being able to respond to the phisher's email. I have seen lots of article on blocking it coming in from the outside. But I want to block mail inter

Re: How to keep user from responding to a phishing email

2009-01-25 Thread Sahil Tandon
On Sun, 25 Jan 2009, Lance Longstreth wrote: > Our mail system has fallen victim to a phisher email in the last couple of > days. I was wondering if there is a way in postfix to keep our users from > being able to respond to the phisher's email. I have seen lots of article > on blocking it coming

Re: How to keep user from responding to a phishing email

2009-01-25 Thread Lance Longstreth
Thank you, this looks like it will work nicely - Original Message - From: "Sahil Tandon" To: Sent: Sunday, January 25, 2009 9:23 PM Subject: Re: How to keep user from responding to a phishing email On Sun, 25 Jan 2009, Lance Longstreth wrote: Our mail system has fallen victim to a

Re: Problem DNS-resolving single helo-hostnames

2009-01-25 Thread Schilling, Timo
Noel Jones wrote: > Schilling, Timo wrote: >> Wietse Venema wrote: >>> Schilling, Timo: Postfix shouldn't negate the flag (from 1 to 0) so that the function "res_search" doesn't append the known domain-informations. But it is done in the above mentioned file, but why? >>> Because it