Paul G. Allen wrote:
>..
> Unfortunately many mail servers don't even comply with the protocols
> SMTP has. If one sets up their server to check all connections for
> proper protocol, then a lot of mail would never get through, even
> legitimate mail. My server does a lot of checking before a message
> transfer is allowed, which eliminates 90% of the crap. If I configure a
> couple more things in the process, then probably a lot of legitimate
> e-mail from people I want mail from would not get through because their
> mail servers are mis-configured.

>..

> I've thought about configuring my randomlogic.net mail such that no one
> can send me mail through it without following all SMTP protocols to the
> letter. It already blocks a lot of crap, but it could be configured to
> block even more. Doing this I may not even need any spam filter.

It might be interesting to see a list of commonly seen protocol
violations. Do you have such a thing, or just a bullet list of things
you have configured your server to check for, and the additional things
you might consider?

Regards,
..jim


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