Re: how to detect spam attacks

2009-04-27 Thread deconya
Continuing with this thread I comment where I putted the options I can saw the server refuses external connections. Finally I ned to comment permit_mynetworks option and I think all is going right. In the server the options are: smtpd_recipient_restrictions = check_recipient_access

how to detect spam attacks

2009-04-26 Thread deconya
Hi list Im with the next problem: I have and old server and Im in process to migrate to a better machine, but actually Im having spam attacks in the server than saturate it. For the age of the server and because in two weeks is replaced I can't install any program like spamity or similar to help

Re: how to detect spam attacks

2009-04-26 Thread Wietse Venema
deconya: Hi list Im with the next problem: I have and old server and Im in process to migrate to a better machine, but actually Im having spam attacks in the server than saturate it. For the age of the server and because in two weeks is replaced I can't install any program like spamity or

Re: how to detect spam attacks

2009-04-26 Thread Scott Haneda
I'm not sure if you can on your hardware, but some of my most effective countermeasures are ehlo/helo checking for hostname does not contain a .. This can cause a very small amount of false positives so please do check your logs first. Second is greylisting. Third is checking if the