First of all, everyone is not having the same problem.
In fact, very few get Server Error 421.
Are you using a laptop away from home when you get that error?
If not, the only logical culprit is Norton antivirus. Uninstall it, and
replace with a more compatible antivirus like the free Avast:
http://www.avast.com/eng/avast_4_home.html
Gary VanderMolen
"bill freda" <billfreda@discussions.microsoft.com> wrote in message news:E894DC40-0CB8-44C6-BA10-B4413972BD7E@microsoft.com...
>I started recently having the same problem as everyone else. I can receive,
> but not send, e-mails. My IP is charter communications. When I go through
> charter mail I can send e-mails with no problem. I can also send e-mails
> through a separate e-mail account with Yahoo. So I don't think the problem
> is with my computer (Acer) or with charter. But the error message I get is
> "An unknown error has occurred. Subject 'Re: Monday, August 6' Account:
> 'POP.charter.net', Server: SMTP, Server Response: '421 Service not available,
> Port 25, Secure (SSL): No, Server Error: 421, Error Number 0x800CCC67"
> So before I do anything more (like uninstalling Norton) does anyone have any
> suggestions for what might correct this specific problem? Thank you.
> Bill Freda
>
> "Brian" wrote:
>
>> My problem was resolved simply by. going to "Tools" then "Accounts" then
>> double click on the account in question. Click on "Advanced" and right under
>> "Outgoing Mail (SMTP)" where it says "This server requires a secure
>> connection" make sure that box isn't checked. I have Vista and this fixed my
>> problem. I don't know if it matters but I use Road Runner (Time Warner). Hope
>> this helps.