RE: [cobalt-users] Spammers forging my email address - Urgent

["Neil J. Kemp" <neil@xxxxxxxxxx>]

>FYI for anyone encountering the same problem - to get it to work I had to
>add "hash" to above.  I typed:
>makemap hash /etc/virtusertable < /etc/virtusertable

Whoops! Sorry I didn't mean to leave that out, but I'm glad it all worked
out ok!

But in answer to your last question, I believe they reject at the header
(try the following from a remote shell to try it:)

mail -v user@xxxxxxxxxx

Subject: Blah
Testing
.
CC: (blank)

The dot is essential as it ends the e-mail. And then it'll show the send as
it does it so you can see where it rejects.