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Hotmail Blocks Gmail Emails (and Invites)
bonhomme_de_neige writes "Emails and invitations sent to Hotmail from Gmail accounts do not bounce, but nor do they arrive in the recipient's Inbox - they vanish mysteriously into the aether. Joel Johnson writes in his Gizmodo weblog that invitations he sent to a Hotmail address bounced (this even received coverage from ZDNet). Search Engine Roundtable writes that several ISPs are blocking Gmail. It's already well-documented that Yahoo moves Gmail invites into the Bulk Mail folder. I've personally confirmed the Hotmail and Yahoo blocking." Please note: I've not been able to verify this one way or another.
...and lots of other mail...
I got this in reply to my queries to msn/hotmail
about frequent failed delivery of messages to
their servers:
From: "J**** H****"
To: "Phil Dier"
Subject: RE: Problems with failed delivery
Date: Tue, 1 Jun 2004 16:10:11 -0700
Hello,
In the last couple of weeks, MSN Hotmail was experiencing an unusually
heavy volume of incoming mail and this has placed us in the condition of
having our incoming mail servers temporarily saturated with incoming
connections. I would suggest that you make sure that your system is
trying to make connections to more than one IP at a time, that it
rotates connections between different IPs in our MX record, and that you
use persistent connections when you do connect. Many domains will
suspect a server of being a spammer if they stay connected beyond, say,
50 RSET commands, but our system does not do that. We encourage
unlimited RSETs for efficiency's sake.
Our experience shows that the condition will abate sometime around 7 pm
Pacific, so your queues should begin draining at that time, especially
if you follow the recommendations above.
I wish there was something I could tell you for sure but we don't know
what is causing this or when it will clear up.
Sincerely,
J****, MSN Hotmail