> > My idea was to drop (instead of deny) spammers that use HELOs of aol or > > hotmail or my own IP address at HELO time instead of MAIL time.
>
> But what is the advantage of dropping them at HELO time? You can equally
> well drop them at RCPT time. That is more flexible, because you can have
> exceptions, such as letting through mail to postmaster. Anyway, dropping
> the connection will often just lead to them trying again. Better to send
> 5xx to all the RCPTs.
Personally, I wouldn't want these kind of people sending email to my
postmaster anyway (I know it's against RFCs).
> But if people want the patch, I don't have a strong reason for not
> putting it in the code.