ingress SMTP

Suresh Ramasubramanian ops.lists at
Wed Sep 3 10:50:31 CDT 2008

On Wed, Sep 3, 2008 at 8:46 PM, *Hobbit* <hobbit at> wrote:
> What I'm trying to get a feel for is this: what proportion of edge
> customers have a genuine NEED to send direct SMTP traffic to TCP 25
> at arbitrary destinations?  I'm thinking mostly of cable-modem and

Not too many - they got themselves port 587 to submit outbound mail.

Read the maawg managing port 25 document - and while you are at it
read the walled garden doc too.. port 25 abuse is the least of your
worries with cable/dsl cpe swamps


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