CONNECTION DROPPED WHILE SENDING ATTACHED EMAILS TO YAHOO FROM EXCHANGE SERVER 2007

WHEN I SEND S0ME ATTACHMENT MORE THAT 3 MB .AM RECIEVEING THE FOLLOWING MESSAGES.
"
451 4.4.0 Primary target IP address responded with: "421 4.4.2 Connection dropped." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts"

BUT I CAN SEND MAIL NORMAIL WITHOUR ATTACHMENT TO YAHOO..

THIS IS ONLY ISSUE WITH MAILS SEND TO YAHOO , COULD YOU ALL HELP ME TO SOLVE THIS

THANKS
seraj786Asked:
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B HCommented:
yahoo does allow up to 10mb attachments for free users, 20mb for "plus" users... but they have a fit with certain filetypes

try renaming the file type to something else, like .bob or .file, and instruct the recipient to change the file extension before opening

or just zip it to change the extension
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seraj786Author Commented:
thanks
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