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Outbound mail to craigslist ads

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acollard83

acollard83

IS-IT--Management
May 1, 2005
179
US
I am getting the following error whenever we send mail to one of craigslist anon email addresses.

kk4dt-2803752869@sale.craigslist.org
omta19.westchester.pa.mail.comcast.net #550 5.1.0 Authentication required ##


Not sure how to fix this. Any suggestions?
 
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