Re: [ILUG-BOM] Sendmail Filtering

On 06/11/04 08:23 -0000, Mangesh V Rakhunde wrote:

I run a mail server i.e sendmail o configured SMTP auth.

My problem is mails. Many machines in and they just send infected mail server itself.

Please send in plain text, wrapping the lines at 76 characters, or less.

From what I can understand, you have PCs infected by viruses which are

directly sending mail out, and getting your external IP blacklisted.

The correct solution to this is to implement a packet filter which blocks port 25 outbound, and ensures that outbound connections come only from your real outbound MTA.

The logs from this packet filtering firewall will also tell you which systems are infected by viruses.

Devdas Bhagat