Hi, Have you checked the IronPort reputation scores for your mailserver IPs? Google uses this data as part of it's spam detection method.
William On Tue, 2010-09-28 at 16:15 -0400, Erik L wrote: > I realize that this is somewhat OT, but I'm sure that others on the list > encounter the same issues and that at least some folks might have useful > comments. > > An increasingly large number of our customers are using Gmail or Google Apps > and almost all of our OSS/BSS mail is getting spam filtered by Google. Among > others, these e-mails include invoices, order confirmations, payment > notifications, customer portal logins, and tickets. Almost anything we send > to customers on Google ends up in their spam folder. This results in a lot of > calls and makes much of our automation pointless, never mind all the lost > sales. > > The problem is compounded by those who use mail clients and do not log in to > the webmail at all, since they would never see the contents of the Google > spam folder. > > We have proper A+PTR records on the edge MTAs, proper SPF records for the > originating domain, proper Return-Path and other headers, and so on. There > isn't anything that I can think of other than the content itself which would > be abnormal, and obviously the content is repetitive and can't be changed > much. Is there something obvious which we've missed? > > Aside from the following clearly impractical solutions, what can we do? > 1. Asking everyone (including those we don't even know yet) to whitelist all > of our addresses, to check their spam folders, and to click on "this is not > spam" > 2. Providing our own free e-mail service to everyone (including those we > don't even know yet) and putting up "don't use Google" ads on all of our > customer-facing systems > > At least this isn't Hotmail where mail is just silently deleted with no NDR > after it's accepted by their MTAs. > > The call volume has been going up instead of down lately and it's gotten to > the point where we're sending MTA log extracts to people to prove to them > that we really did e-mail them. > > Would greatly appreciate any advice. > > Erik >
