ISPs blocking SMTP connections from dynamic IP address space
Michael K. Smith
mksmith at noanet.net
Wed Aug 6 09:29:20 PDT 2003
On 8/6/03 9:19 AM, "Doug Poland" <doug at polands.org> wrote:
> 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
> 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
> 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
> 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
> against this trend and attempting to make their voice heard.
> A little help here?
What is the "dynamic address space"? Do you mean RFC 1918 space such as
10.0.0.0/8? Or, are you referring to addresses in what is commonly referred
to as "the swamp," comprised of pre-CIDR allocations of addresses?
Michael K. Smith NoaNet
206.219.7116 (work) 206.579.8360 (cell)
mksmith at noanet.net http://www.noanet.net
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