Hi,
Is this common knowledge and have people had some experience with it?
"MSN Hotmail and Windows Live Mail use a cache mechanism for Sender ID.
To guarantee your Sender ID record is included in the cache, send the
domain name(s) in a text file to senderid(_at_)microsoft(_dot_)com"
Found on http://postmaster.msn.com/ after someone fighting hotmail to
get their mail delivered reported this to me.
Alex
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