Grrr NON-RFC Compliant Mail servers

[Aaron Grewell]

Many sites (ours included) don't allow empty from or VRFY because of their 
utility for spammers.

On Sunday 11 May 2003 15:05, James McDonald wrote:
> I decided that maybe my adsl linked mail server wasn't on a reliable
> enough connection for my mail domain so I bought a bit of webspace to
> host my mail domain as soon as I did that I couldn't send mail to the
> lists.sourceforge.net mail servers and worse I wasn't getting notified
> about why.
>
> Turned out to be the mail server wasn't accepting an rfc compliant "MAIL
> FROM: <>" command it was throwing an error before it could send the
> "VRFY james at jamesmcdonald.id.au" turns out mail servers need to be able
> to accept an empty(i.e. no senders address) MAIL FROM: because that in
> combination with VRFY is how they check for a valid email address.
>
> Just another trap for the unwary.
>
>
>
> _______________________________________________
> Linux-users mailing list
> Linux-users at linux-sxs.org
> Unsubscribe/Suspend/Etc ->
> http://www.linux-sxs.org/mailman/listinfo/linux-users