ISPs blocking SMTP connections from dynamic IP address space

[Steve Hovey]

Unfortunately, dynamic usually means not a business - which often means
spam - and we are all losing hair over the war on spam.

I now block ip's with no reverse dns


On Wed, 6 Aug 2003, Doug Poland wrote:

> Hello,
> 
> This isn't so much a FreeBSD topic but a comment and a request for resources.  As a long
> time FreeBSD admin/user I know this is a large, diverse, and eloquent community of
> technical users.  I hope someone can point me to a resource or group of users that
> address this policy.
> 
> Within the last two months both AOL and Time Warner Road Runner have implemented port 25
> blocks from hosts with IP addresses in the "dynamic address space".  Time Warner claims
> other major ISPs are/will be implementing the same policy.
> 
> I support several smaller organizations computer infrastructures.  The server backbone
> in all these orgs is FreeBSD and they all have SMTP servers with IP addresses in the
> "dynamic" space.  More of our outgoing mail is starting to bounce as these ISPs bring
> these new policies online.
> 
> Is anyone else uneasy with this trend?  Maybe it's just me and I don't like being
> discriminated against because I don't have the money to own static IP addresses.  One
> would think groups of responsible and technically competent users would be organizing
> against this trend and attempting to make their voice heard.
> 
> A little help here?
> 
> -- 
> Regards,
> Doug
> 
> 
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