how to prevent fake email to enter my domain?

[Res]

On Fri, 26 Jan 2007, Michael Masse wrote:

>> You should use a helo check, if you use sendmail use the block_bad_helo

> The Block_bad_helo hack works excellent, except there are a few
> legitimate senders out there with badly configured servers that send
> things like localhost during helo, so you have no choice but to
> whitelist some of these senders.    Sendmail-speak is not the easiest

I think it is up to the sending smtp server admin to fix *their* problem 
not the receiving side put in a work around because *they* wont.

The only exemptions which should already be allowed anyway in relay, are 
local IP ranges.

Its almost like saying I'll whitelist comcast because they are always in 
blacklists because they have no idea on how to control their abusive 
spamming L-users, and hell will freeze over before that happens here :P

-- 
Cheers
Res

"So, you think you can tell Heaven from Hell?" - Roger Waters