I receive following message when trying to sending/receiivng email:
Account: 'POP.att.yahoo.com', Server: 'POP.att.yahoo.com', Protocol: POP3,
Server Response: '-ERR popgate unknown command', Port: 995, Secure(SSL):
Yes, Server Error: 0x800CCC90, Error Number: 0x800CCC18
robertmiles@bellsouthNOSPAM.net - 27 May 2008 03:48 GMT
>I receive following message when trying to sending/receiivng email:
>
> Account: 'POP.att.yahoo.com', Server: 'POP.att.yahoo.com', Protocol: POP3,
> Server Response: '-ERR popgate unknown command', Port: 995, Secure(SSL):
> Yes, Server Error: 0x800CCC90, Error Number: 0x800CCC18
See if this helps:
http://helpme.att.net/article.php?item=10918
Gary VanderMolen - 27 May 2008 08:14 GMT
Go to Tools, Accounts, select that mail account, Properties, Servers.
Uncheck "Log on using Secure Password Authentication".

Signature
Gary VanderMolen, MS-MVP
>I receive following message when trying to sending/receiivng email:
>
> Account: 'POP.att.yahoo.com', Server: 'POP.att.yahoo.com', Protocol: POP3,
> Server Response: '-ERR popgate unknown command', Port: 995, Secure(SSL):
> Yes, Server Error: 0x800CCC90, Error Number: 0x800CCC18
N/a - 27 May 2008 21:33 GMT
> I receive following message when trying to sending/receiivng email:
>
> Account: 'POP.att.yahoo.com', Server: 'POP.att.yahoo.com', Protocol: POP3,
> Server Response: '-ERR popgate unknown command', Port: 995, Secure(SSL):
> Yes, Server Error: 0x800CCC90, Error Number: 0x800CCC18