SMTP Addresses
| AOL | AOL do not support SMTP |
| Blue Yonder | smtp.blueyonder.co.uk |
| BT Click | smtp.btclick.com |
| BT Internet | mail.btinternet.com smtp.btconnect.com |
| BT Openworld | mail.btopenworld.com |
| Demon | post.demon.co.uk |
| Freeserve | smtp.freeserve.co.uk |
| Lycos | smtp.lycos.co.uk |
| NTL World | smtp.ntlworld.com |
| OneTel | mail.onetel.net.uk |
| Telewest | smtp.blueyonder.co.uk |
| Tesconet | mail.tesconet.net |
| Tiscali | smtp.tiscali.co.uk |
| Totalise | mail.totalise.co.uk |
| Virgin | smtp.virgin.net |
| Yahoo | smtp.mail.yahoo.com |