Abuse procedures... Reality Checks

Thu Apr 12 06:26:18 UTC 2007

On Wed, 11 Apr 2007, Frank Bulk wrote:

> It truly is a wonder that Comcast doesn't apply DOCSIS config file filters
> on their consumer accounts, leaving just the IPs of their email servers
> open.  Yes, it would take an education campaign on their part for all the
> consumers that do use alternate SMTP servers, but imagine how much work it
> would save their abuse department in the long run.

There are several large ISPs (millions of subscribers) that have done away 
with TCP/25 altogether. If you want to send email thru the ISPs own email 
system you have to use TCP/587 (SMTP AUTH).

Yes, this takes committment and resources, but it's been done 
successfully.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se