We’re a medium sized regional MSO/broadband provider
with 200k+ mailboxes, strongly considering enabling SMTP authentication on our
customer-facing SMTP mail servers. We feel this is the next logical step
to minimize our users UCE/virus impact (we already tarpit, virus scan, UCE
scan, subscribe to RBL’s, reject prior to SMTP close).
I’m looking for comments on whether this is generally
seen as a positive change or a waste of time (ie – will the next virus or
worm gleam your SMTP username and password from Outlook Express and use it to
Is anyone aware of any well known mail clients that do not
support SMTP authentication (Unix, Windows or Mac)?
Thanks in advance.
Daniel Ellis, CTO, PenTeleData
"The only way to
predict the future is to invent it."