Check your outgoing mail setup. Do you have the proper authentication
applied? You might want to contact your ISP and ask them. This isn't
really an Outlook problem...other than it appears the settings you
have in it may not be right.
Since spammers used to send email through someone else's accounts in
an effort to hide their identity, mail servers now require special
authentication to send, as well as receive email.
You need your user name and password to get your own email
downloaded...but you may need to also set that as your authority to
send through your account. Or there may be some other special setting
that your ISP requires???
Go to Tools > Email Account to edit your current setting. Click Change
and then click More Settings and click the Outgoing Server tab.
Most people will set the account as requiring the same authentication
as incoming. You can try checking the top authentication box on that
tab and choosing to use the same settings as Incoming. But if that
doesn't work, you'll have to contact the provider who handles your
email server to verify what you need to do to get your mail through
their guard dogs. ;-)
Good luck...
Dian D. Chapman
Technical Consultant, Microsoft MVP
MOS Certified, Editor/TechTrax
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