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04.22.2008 at 04:27PM PDT, ID: 23344981
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Relayed email is bounced by sbcglobal/yahoo with 553 errors.

Asked by nlinecomputers in SBS Small Business Server, Exchange Email Server, Email Servers

Tags: Microsoft, SBS 2003, sbs 2003

I have a client running an SBS2003 server who has one user that is having all outgoing email bounce with this error:

There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
  <notrealdomain.com #5.5.0 smtp;553 From: address not verified; see http://help.yahoo.com/l/us/yahoo/mail/original/manage/sendfrom-07.html>

I've been to the linked website.  Some months ago when EVERYONE's email was bouncing.  I verified all the email per the instructions and everything was fine.  Now one user is suddenly bouncing again.  I've tried to login into yahoo mail, delete the broken email address and recreate it.  As it was used before it doesn't offer to validate.  It just claims that it should be working.  I can't get sbcglobal to help.  Tech support doesn't understand me when I tell them I'm relaying via exchange.  How can I fix this?

This is setup as smart host relay to smtp.mail.yahoo.comStart Free Trial
[+][-]04.22.2008 at 08:29PM PDT, ID: 21417579

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[+][-]04.22.2008 at 08:33PM PDT, ID: 21417591

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[+][-]04.25.2008 at 10:16AM PDT, ID: 21441447

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[+][-]04.25.2008 at 10:33AM PDT, ID: 21441584

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About this solution

Zones: SBS Small Business Server, Exchange Email Server, Email Servers
Tags: Microsoft, SBS 2003, sbs 2003
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Solution Provided By: nlinecomputers
Participating Experts: 2
Solution Grade: A
 
 
 
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