How to block email attachments like .exe/etc

[ForumKid]

How do you block .exe and other bad file attachments with sendmail. Im using redhat 7.1.

Thanks

 

[feeble]

Here is the answer you been looking for:

taken from :

http://groups.google.com/groups?thr...=3675b5e5.6516825%40news.usxchange.net&rnum=3

REMEMBER TO ALWAYS GIV CREDIT WHERE CREDIT IS DO.

here is your answer as answered on the link above:

">2) Is there any way to block attachments from specific email
>addresses?

Sendmail just transfers mail, it neither knows nor cares whether the
contents of any particular mail message contain an attachment. What
you can do is limit the maximum size of message your prepared to
accept."

Later...

 

[ForumKid]

1) So if I limit the email size, it limits for the entire server. Its not domain specific or user specific. Well can it be?
2) Say i was to limit the size. Whats a good #. I have been checking the sizes of my regular emails, but dont want to block a legitimate email to come in. Also some .exe attachments and .vb... attachements are really small.

Question:
How does everyone out there do this? Are you people just sifting through the mail and deleting the bad ones.

Cheers

 

[Kjartan]

Sendmail hasn't got much functionality. However, you can use procmail with sendmail to filter messages, auto-reply etc.