Problem with spam messages

2009-09-10 Thread an...@iguanait.com
Hi, in our two mail servers i see last weeks this: non-SMTP command from 250.84.221.62.dyn.idknet.com[62.221.84.250]: From: ? VIAGRA ? Official Site How can i block these accesses? our system is : Centos 5.3 - postfix-2.3.3-2.1.el5_2 - amavisd-maia-2.2.1-2_1.0.2.centos5 -

What is the best value for first retry-window for postgrey ?

2009-05-29 Thread an...@iguanait.com
Hi, we have a centos 5 server that we use for mail server and i have installed their postgrey. I want to ask what values do you use for retry-window option and what is the best value for this ? I have leave it with the default value 2 days for now, but i don't know if it is too high. What's

Re: How to allow mails from some other servers to pass: reject_sender_login_mismatch

2009-02-11 Thread an...@iguanait.com
Hi, yes, you are right using mynetworks is ok. I also though for this way. I just didn't understood from beginning why it didn't work with access file, but now is clear. Thanks! On Wed, 2009-02-11 at 04:35 -0500, Digest of postfix-users list wrote: your access file is used for

How to allow mails from some other servers to pass: reject_sender_login_mismatch

2009-02-10 Thread an...@iguanait.com
Hi, i'm trying to slow down and block backscater mails and i try to use: reject_sender_login_mismatch and smtpd_sender_login_maps. I have some questions about how to pass this restriction for some cases. The situation is this: We have some other servers where we have installed other