协议上匿名浏览,而BitTorrent和整个OperaMail都不能匿名使用。 OperaTor的项目名称改为Operator YAPO後,正如其名,其不再与Tor捆绑。OperaTor旧版本仍可下载,但不再有技术支持。 gHacks - 'Opera, Tor and Privoxy combined'
Foxmail GroupWise IncrediMail KooMail Lotus Notes Microsoft Entourage Novell Evolution Netscape Mail & Newsgroups(版本4) Opera Pegasus Mail Sylpheed The Bat! YAM
(原始内容存档于2017-08-10). Opera acquires Fastmail.fm. Opera.com. 2010-04-30 [2016-12-06]. (原始内容存档于2012-03-30). FastMail.FM has been acquired by Opera Software. Blog