Attention SBC DSL Customers!!!
SBC is blocking Port 25, you can no longer use an email program to send email!
You must either use SBC Yahoo's Webmail at http://sbc.yahoo.com,
our Webmail at http://mail.artsci.net,
OR request SBC to allow your account to send mail via Port 25 (step by step instructions below).
Instructions to opt out port 25 from SBC DSL.
SBC DSL Help Page

Select DSL,
sbcglobal.net and click
Continue.
Click Email Us.
Click Service Abuse
Fill out the form, and enter your sbcglobal.net member id. Under Abuse Details, Abuse Type: Select ** Opt Out Port 25, then under Abuse Occurred In, select Email