SBC Outgoing Mail Port Block Resolution

Recently SBC has blocked outgoing mail port 25 for its customers. Customers are experiencing difficulty sending email. In order to resolve this, follow these instructions:

  1. Open Outlook Express
  2. Click on Tools -> Accounts -> Mail Tab
  3. Double-click on the mail account listed
  4. Click Servers tab
  5. Under Outgoing Mail (SMTP), type
    (this information may change, you may have to call SBC for outgoing mail server (SMTP) settings)
  6. At bottom section, check "My server requires authentication", then click on Settings.
  7. In new popup, click "Log on using" and type in the Account Name (SBC email address, i.e. and Password that was to provided you by SBC global to log in to your email and internet. Do NOT check "Log on using Secure password authentication".
  8. Then click "OK" and "OK" again.

For Information Contact:
Comentum Corp
6222 Ferris Sq.
San Diego, CA 92121
Phone: 619-990-1212

Hours: Mon. - Fri., 9 a.m. - 5 p.m. PST

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