List of email domains we consider safe to send to.
- adelphia.net
- aim.com
- ameritech.net
- aol.com
- atlanticbb.net
- att.net
- austin.rr.com
- bak.rr.com
- bellatlantic.net
- bellsouth.net
- berkshire.rr.com
- bham.rr.com
- bigpond.com
- brighthouse.com
- ca.rr.com
- carolina.rr.com
- centurylink.com
- centurylink.net
- centurytel.net
- cfl.rr.com
- charter.net
- cinci.rr.com
- columbus.rr.com
- comcast.net
- dc.rr.com
- earthlink.net
- ec.rr.com
- elmore.rr.com
- elp.rr.com
- emore.rr.com
- eufala.rr.com
- eufaula.rr.com
- frontiernet.net
- gmail.com
- gt.rr.com
- hawaii.rr.com
- hot.rr.com
- hotmail.com
- htc.net
- hughes.net
- hvc.rr.com
- icloud.com
- indy.rr.com
- insight.rr.com
- intel.com
- juno.com
- kc.rr.com
- live.be
- live.ca
- live.com
- ma.rr.com
- mac.com
- mail.com
- maine.rr.com
- mass.rr.com
- mi.rr.com
- msn.com
- nc.rr.com
- ne.rr.com
- neb.rr.com
- neo.rr.com
- netscape.com
- netscape.net
- new.rr.com
- nj.rr.com
- nyc.rr.com
- nycap.rr.com
- oh.rr.com
- olympus.net
- optonline.com
- optonline.net
- outlook.com
- pa.rr.com
- pacbell.net
- panhandle.rr.com
- prodigy.net
- proton.me
- protonmail.com
- rgv.rr.com
- roadrunner.com
- rochester.rr.com
- rocketmail.com
- rr.comsan.rr.com
- satx.rr.com
- sbcglobal.net
- sc.rr.com
- si.rr.com
- socal.rr.com
- stny.rr.com
- stx.rr.com
- sw.rr.com
- tampabay.rr.com
- triad.rr.com
- twc.com
- twcny.rr.com
- twmi.rr.com
- tx.rr.com
- verizon.net
- wi.rr.com
- windstream.net
- woh.rr.com
- yahoo.com
- ymail.com