Mail Submission Protocol

Wed Apr 21 15:34:44 UTC 2010

On Wed, Apr 21, 2010 at 10:49:07AM -0300, Claudio Lapidus wrote:
> At our ISP operation, we are seeing increasing levels of traffic in our
> outgoing MTA's, presumably due to spammers abusing some of our subscribers'
> accounts.  [snip]

A discussion on this topic is happening on spam-l at the moment; it's
probably worth your time to subscribe to that list and read it, doubly
so since it's not really appropriate for nanog.

---Rsk