Can't send email from additional accounts

[Hats]

I have windows mail and I use comcast for internet and email. Besides my
Comcast email account I have multiple other email accounts for different
businesses I'm in. For the last week or so I have been unable to send out
email from any account other than my comcast account. Am I missing something?
Thanks for any help.

 

[thecreator]

Hi Hats,

Does those other E-mail Accounts have a SMTP Mail Server in which using
your other Email Accounts, you point to for your Outgoing E-mails using that
Account? Have you inquired with them, if they were up or down?

 

[mac]

I have windows mail and I use comcast for internet and email. Besides my
Comcast email account I have multiple other email accounts for different
businesses I'm in. For the last week or so I have been unable to send out
email from any account other than my comcast account. Am I missing
something?
Thanks for any help.

Check out the following:

Comcast appears not to no longer uses port 25, they now use port 587 for
some accounts?

Tools>accounts>your account>properties>advanced tab.

See the link for all the account settings:
http://www.comcast.com/Customers/FAQ/FaqDetails.ashx?Id=2288

 

[Gary VanderMolen]

Chances are, Comcast has begun to block port 25 for you, which means
you can't use any other port 25 SMTP server.