Hi !!
>>Such this machines could always be configured to show a valid helo so
>>there is no excuse to show a broken one.
>
> Nevertheless, 1/3 of legitimate senders have broken HELOs (whether
> hostnames or IP addresses) so you will have a serious false rejection
> problem if you try to be strict.
we are rejecting broken helo's for long time and have a very little
amount of false positives (one or two per month) while we are
rejecting a great amount of viruses/spam based on helo checks
(about 90.000 per day)
I have update the helo.acl with the latest comments on this list
and make it available at
http://www.ols.es/exim
--
Best regards ...
----------------------------------------------------------------
David Saez Padros http://www.ols.es
On-Line Services 2000 S.L. e-mail david@???
Pintor Vayreda 1 telf +34 902 50 29 75
08184 Palau-Solita i Plegamans movil +34 670 35 27 53
----------------------------------------------------------------
