More detailed and up to date information about the ISPs is available at the
Word to the Wise Delivery Wiki ISP Summary Information Page
Postmaster Pages, FBLs and Whitelists
| AOL | Postmaster | FBL Signup | Whitelist signup |
|---|---|---|---|
| ATT | Postmaster | ||
| Bellsouth | Postmaster | ||
| Charter | Postmaster | ||
| Comcast | Postmaster | FBL Signup | |
| Cox | Postmaster | FBL Signup | |
| Earthlink | For ISPs Only | ||
| Excite | FBL Signup | ||
| Fastmail | FBL Signup | ||
| Frontiernet | Postmaster | ||
| Gmail | Postmaster | ||
| Hotmail | Postmaster | FBL Signup | |
| Outblaze | Postmaster | Only COI senders eligible | Only COI senders eligible |
| Rackspace | FBL Signup | ||
| RoadRunner | Postmaster | FBL Signup | |
| Synacor | FBL Signup | ||
| Tucows | FBL Signup | ||
| UnitedOnline | Postmaster | Whitelist Signup | |
| USA.net | Postmaster | FBL Signup | |
| Verizon.net | Whitelist Signup | ||
| Yahoo | Postmaster | FBL Signup | Whitelist Signup |

Zoho and Terra aren’t on your list. Big or small, FBL is FBL
https://fbl.zoho.com/
http://fbl.mail.terra.com.br/?lang=en_US.utf8
Turned off comments because of the thousands of spams I was having to clean out daily.