It could very well be a change at the hosting side.
The "use same settings as my incoming mail server" is the most commonly used
setting when authentication is required.
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
-----
"Todd" <(E-Mail Removed)> wrote in message
news:38F813FD-7BE9-440A-B8BD-(E-Mail Removed)...
> Thanks - I actually got it working again by changing my outgoing SMTP
> setting
> to "use same settings as my incoming mail server" as opposed to the "log
> on
> to incoming mail server before sending mail option" choice. The latter
> had
> been working for many months, but today it all of a sudden stopped. Still
> can't figure out what happened, just glad it's working! I use Charter for
> my
> internet, but have an e-mail account through my company which is hosted
> outside of Charter. I've had a few issues with this before, but wondered
> what changed today? Oh well...mysteries of the universe and Microsoft!
>
> "Roady [MVP]" wrote:
>
>> Hard to say without knowing any configuration information.
>> Either way, try enabling authentication for your smtp server.
>> See http://www.msoutlook.info/question/36
>>
>> --
>> Robert Sparnaaij [MVP-Outlook]
>> Coauthor, Configuring Microsoft Outlook 2003
>> http://www.howto-outlook.com/
>> Outlook FAQ, HowTo, Downloads, Add-Ins and more
>>
>> http://www.msoutlook.info/
>> Real World Questions, Real World Answers
>>
>> -----
>>
>> "Todd" <(E-Mail Removed)> wrote in message
>> news:741CC787-99A6-4BB8-9182-(E-Mail Removed)...
>> > I'm looking for help with the same issue...but everything's been fine
>> > until
>> > now. What would have all of sudden changed that would result in this
>> > error
>> > message. I hadn't changed any settings and have been using the same
>> > ISP.
>>