[Pkg-exim4-users] Use of primary_hostname with visiblename

Magnus Holmgren holmgren at lysator.liu.se
Thu Oct 19 07:49:04 UTC 2006

On Thursday 19 October 2006 06:22, Ross Boylan took the opportunity to say:
> In an effort to fight spam, I reject messages when
>   verify = helo
> fails, which I believe would happen in the previous scenario.

No, verify = helo checks that the HELO name resolves to the remote IP address 
*or* the IP address reverse-resolves to the HELO name (or if the HELO name is 
an IP literal, that it matches the remote address). So verify = helo is sane. 
(Unfortunately some big players, like Hotmail, use HELO names that fail this 

Magnus Holmgren        holmgren at lysator.liu.se
                       (No Cc of list mail needed, thanks)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.alioth.debian.org/pipermail/pkg-exim4-users/attachments/20061019/437205bb/attachment.pgp

More information about the Pkg-exim4-users mailing list