Mark Wolk wrote:
The numerous experiments I ran about sending mail to Hotmail tend to
prove that it is a reputation system based on the sending email
service, and that SPF is totally ignored by Hotmail (and can be even
harmful in some cases). Mails sent through controlledmail.com,
hotmail.com, aol.com, msn.com and some others get through just fine;
mails sent by other providers like mailsnare.net, tuffmail.com,
yahoo.com end up in Hotmail's junk mail folder.
For the time being I am using controlledmail.com to send my mails to
Hotmail, but I also have a free aol.com and a premium msn.com account
in case my preferred service controlledmail.com falls in Hotmail's
disgrace for some obscure reason.
Our own experience would seem to support this. We have the misfortune
of sharing a web server with other companies whose conduct impacts on
our ability to get mail delivered. For 3 weeks in June, all e-mail to
Hotmail and Yahoo addresses failed. Despite our web hosts claim that
this was due to problems at the receiving end, we managed to resend
every one of them successfully through controlledmail.com. The
difference was down to the service provider - our web hosts are
indifferent to any abuse of their server regardless of any impact on
the reputation of the server's IP address. On the other hand
controlledmail.com is probably unique in adopting a more proactive
approach in preventing abuse in the first place.
Claire
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