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 are done

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 j...@mesrobertson.com 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 =

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 = * do you

Re: relay_domain = * safe configuration?

2009-01-25 Thread Magnus Bäck
On Sunday, January 25, 2009 at 13:53 CET, Magnus Bäck mag...@dsek.lth.se wrote: On Sunday, January 25, 2009 at 13:23 CET, James Robertson j...@mesrobertson.com wrote: If I have: relay_recipient_maps = hash:/etc/postfix/recipients which is populated with addresses

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, because 1) it is

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 sa...@tandon.net 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

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

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

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

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

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 in

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 sa...@tandon.net To: postfix-users@postfix.org 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:

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 makes no sense to