What outgoing SMTP port are you using?
Set Outgoing Mail Port to 587 in Outlook Express, Outlook 2000 and OutlookŪ
2002/2003
To change the outgoing mail port to 587 in Outlook Express and Outlook 2000:
1. Open Outlook Express or Outlook 2000.
2. Click the Tools menu, then click Accounts.
3. Click your e-mail account, then click the Properties button.
4. Click the Advanced tab.
5. In the Outgoing Mail (SMTP) box, type 587.
6. Click the OK button.
7. Click the Close button.
To change the outgoing mail port to 587 in OutlookŪ 2002/2003:
1. Open Outlook 2002 or 2003.
2. Click the Tools menu, then click E-mail Accounts.
3. Click the View or change existing e-mail accounts option, then click the
Next button.
4. Click your e-mail account, then click the Change button.
5. Click the More Settings button.
6. Click the Advanced tab.
7. In the Outgoing Mail (SMTP) box type 587.
8. Click the OK button.
9. Click the Next button.
10. Click the Finish button.
"maddison3" <(E-Mail Removed)> wrote in message
news:AB4B5C63-1CB7-4FA5-AB8D-(E-Mail Removed)...
> The error I receive is this:
> Task 'pop.att.yahoo.com - Sending' reported error (0x800CCC78) : 'Unable
to
> send the message. Please verify the e-mail address in your account
> properties. The server responded: 530 authentication required - for help
go
> to http://help.yahoo.com/sbc/dsl/mail/pop/pop-11.html'
>
> Obviously I have checked the email addresses...in fact, I cannot even send
a
> test message from myself to myself! My att webmail works fine - so i have
> been sending messages that way - but this is exasperating having to use
both
> the webmail and outlook!! ...and i've used outlook 2002 since 2002, so I
have
> 7 years of business information on this that I do not want to particularly
> scrap. I don't know what to do - i've had tons of trouble with Outlook in
> the past 2 weeks and not sure what has caused it. HELP!
>
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