The Information in this article applies to:
SMTP Port 25
DETAILS:
My ISP is blocking SMTP Port 25. Is there an alternate?
ANSWER:
Now manys ISPs have started to block the use of port 25, ISP's that block SMTP Port 25 will be unable to send email messages via the Integral Hosting Mail Servers.
For a number of reasons, we also run SMTP on port 366. If you would like to overide your ISPs block, simply edit your email account server settings in your email client to use port 366 instead of 25 and you will be able to send email.
NOTES:
Integral Hosting does not run SMTP on port 366 just to circumvent your ISPs policy, it just happens to be an additional port we allow SMTP access through.