Can receive but not send email

  • Thread starter Thread starter PC Smith
  • Start date Start date
P

PC Smith

I have been receiving and sending emails successfully for many months.
Recently I have seen emails that I have sent come back undeliverable with the
following error message, "451 Could not complete sender verify callout" Can
someone give me some suggestions to fix? I use Outlook 2003. Thank you.
 
Peter, Here is exactly what the message says:

Your message did not reach some or all of the intended recipients.

Subject: RE: Easy Dutch conversation class
Sent: 5/24/2009 5:17 PM

The following recipient(s) could not be reached:

'Karam Mariana R' on 5/24/2009 5:17 PM
451 Could not complete sender verify callout

Peter Foldes said:
Is this what it said exactly ??



<[email protected]>: host domainname.com[ xxx xx xxx xxxx) said: 451
Could not complete sender verify callout (in reply to RCPT TO command

--
Peter

Please Reply to Newsgroup for the benefit of others
Requests for assistance by email can not and will not be acknowledged.

PC Smith said:
I have been receiving and sending emails successfully for many months.
Recently I have seen emails that I have sent come back undeliverable with the
following error message, "451 Could not complete sender verify callout" Can
someone give me some suggestions to fix? I use Outlook 2003. Thank you.
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