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#5.5.0 smtp;550 Authentication

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#5.5.0 smtp;550 Authentication - 8.Dec.2011 1:50:58 PM   


Posts: 1
Joined: 8.Dec.2011
Status: offline
some emails to earthlink and/or AOL email address get kicked back with the below error

There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<mail1.hardenmfg.com #5.5.0 smtp;550 Authentication required. Help at http://www.earthlink.net/go/emailsettings

I need some help with this one please.

Post #: 1
RE: #5.5.0 smtp;550 Authentication - 10.Mar.2012 12:37:12 PM   


Posts: 2
Joined: 10.Mar.2012
Status: offline
did you get any help? If you resolved this issue then can you say how please.

I have a simular problem with smtp.att.yahoo.com, I am trying to use port 587 to avoid SSL issues and using ID/PW for out buund security, but I still get the 553 auth error. Any help would be much appreiated.


(in reply to kat35601)
Post #: 2

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