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Outlook not working properly. 554 Authentication Failed, must login


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#1
followerofjesus

followerofjesus

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Hi I have just registered here & I'm hoping someone might be able to help me.
I am using office outlook 2003 & it has just stopped sending mail.
I can receive email no problem but when I try to send I receive the message as shown below (with recipient email address in the brackets)

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

Subject: FW: Updates for your purchase from serengeti2 - 10-Oct-11
Sent: 13/10/2011 09:56
The following recipient(s) could not be reached:

(intended reciepient address) on 13/10/2011 09:56
554 Authentication Failed, must login

This message appears regardless of who I try to send mail to.

If anyone can help I would be very grateful as using webmail to send is a drag.
Thanks
Peter

Just to let you know I have been doing some homework since posting the message above & found out that my email server is having some problems!

Edited by followerofjesus, 13 October 2011 - 04:55 AM.

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#2
DonnaB

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Hi followerofjesus,

Welcome to Geeks to go! :)

If you haven't solved this error, I have found some information that may help you. Please see below:

554 Authentication Failed, must login is an error code that is related to SMTP (Simple Mail Transfer Protocol). Please see 0x800CCC6F SMTP_554_TRANSACT_FAILED Transaction failed.

I hope this helps you in some way.

Good luck!

Donna :yes:
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