djjmj wrote:
We have been discussing with them since Sept 17th with no fixes yet. Once
they found out
Windows Mail Client didn't have an issue they have been unwilling to help.
"Not a server side problem, your clients are the problem"
Then tell them you're walking as soon as you find another provider. I'd
be quite happy as a mail/spamfilter admin if Outlook ceased to exist,
but it's easily second or third place in mail client popularity.
(Outlook Express/Windows Mail is in first; Thunderbird is the other
player in the top three, IMO.) MS Outlook is a common enough mail
client... and preferred by *business* customers in a high enough
percentage... that not supporting it is downright stupid on their part.
Try enabling SMTP authentication, and possibly switching the outbound
port to 587 from the default 25; most ISPs these days offer some form
of authenticated outbound relay that provides some buffer against
overscoring in SA. TBH SA scores of 30+ sound like they've just bumped
the score on a couple of rules that target forged Outlook mail, without
considering the impact on legitimate relay traffic.
John Hardin wrote:
Something you could do is go to one of the various DNSBL websites and
check whether your internet gateway's public IP address is listed. Your
ISP may be doing something as simple as treating you as J. Random User
From The Internet rather than as one of their customers.
I requested this information from the ISP last week. There response was
"our or your" domain are not black listed. Maybe I'm misunderstanding your
?
Yes, you've misunderstood. John's question was about the IP address you
get on your connection; visiting ipchicken.com (among other
possibilities) should tell you what IP your mail is apparently coming
"from".
Your ISP may have mangled their SA config (or just not bothered
configuring it properly in the first place) such that parts of their own
network used for customer connections aren't being properly bypassed or
handled by SA's network tests (among other things).
Is there any other pattern in the messages that are blocked? (eg only
really short messages, messages with the word "foobar" in the first
paragraph, messages with more than five cute-kitten-pictures attached, etc)
(Just for the record, I've seen more and more filtering systems in
general pick up on short test messages for no reason I can see - Postini
is the big culprit in the mail flow I deal with so far, but I've had
occasional reports where other filter systems are involved. Bleaugh.)
-kgd
