Can you recommend an email client that supports IMAP, PGP, S/MIME & HTML?

TalkingBee March 30, 2013
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I am searching for a portable IMAP mail client which supports HTML, PGP/GPG + S/MIME.

Thunderbird is trash, Postbox is not really getting updated and also it’s not fully portable. em Client looks childish and only supports very old S/MIME hashing algorithms, so … far from being secure.

Outlook is great but no… I want something more handy.

The other million clients which I tried out all missed basic functions, e.g. when I reply to someone the reply started at the top. Total fail. Or S/MIME was missing or PGP was missing or no HTML mode at all (sad).

Thunderbird for examble is portable, supports S/MIME and PGP (more or less) but no way to replace the ugly colored quote bar with the real quote signs “>” and “>>” in HTML. I am sure not going to switch back to 1980 plain text ;)

Any ideas? But it seems there are no other Windows clients :(

  1. Uchitha Jayathissa
    April 4, 2013 at 9:54 am

    Thunderbird is good. but you can add any other e-mail accounts, POP/IMAP/.... to gmail account and send e-mails using gmail interface.

    • TalkingBee
      April 4, 2013 at 5:41 pm

      the most important things are not possible: PGP and S/MIME.

  2. Rohit Pandey
    April 1, 2013 at 1:53 pm can download it on filehippo

    • TalkingBee
      April 4, 2013 at 5:40 pm

      Thanks but it's not supporting S/MIME nor PGP.

  3. Rajaa Chowdhury
    March 31, 2013 at 3:28 am

    You can checkout Mozilla SeaMonkey at

    • dragonmouth
      March 31, 2013 at 6:18 pm

      The email client module in SeaMonkey Suite IS Thunderbird which TalkingBee does not want to use.

    • Rajaa Chowdhury
      April 1, 2013 at 5:23 am

      They share the same source code, but are they the same end product?

    • TalkingBee
      April 1, 2013 at 2:52 pm

      As dragonmouth said, it's more or less Thunderbird :( But thanks.

    • dragonmouth
      April 1, 2013 at 11:42 pm

      "They share the same source code, but are they the same end product?"

      They are one and the same. So are Firefox and SeaMonkey Browser.

      Mozilla released the SeaMonkey as an Internet Suite but it also released the individual modules by themselves with their own names.

  4. Ashwin Ramesh
    March 31, 2013 at 1:40 am

    You could have a look at this article that was written by Joel: //

    Let us know which client you chose! :)

    • TalkingBee
      April 1, 2013 at 2:53 pm

      lol all suck, sorry. Maybe Claws would be more stable if they would have used something better than GTK... but I am not able to use it. Same with other Linux ports, e.g. Evolution...

  5. Oron Joffe
    March 30, 2013 at 9:55 pm

    Well, it's your call, but you actually dislike plain text but want >>? LOL!

    • TalkingBee
      April 1, 2013 at 2:51 pm

      Even in HTML one can use ">>" :)

  6. ha14
    March 30, 2013 at 8:41 pm

    Comparison of email clients
    scroll down to General features, HTML, PGP support, S/MIME support

    • TalkingBee
      April 1, 2013 at 2:50 pm

      Thanks, unfortunately not a single one supports every single thing I want :(

  7. Michael Heffner
    March 30, 2013 at 8:15 pm

    Have you tried using gmail?

    • TalkingBee
      April 1, 2013 at 2:47 pm

      Thanks Michael. Unfortunately, Gmail does not have GPG, PGP nor S/MIME support. It's a simple Webmail service :(

    • daimonion
      August 13, 2013 at 8:40 pm

      there are several add-ons for Chrome and FireFox for PGP support with GMail, just beware of draft auto-saving

  8. Alan Wade
    March 30, 2013 at 8:13 pm
    • TalkingBee
      April 1, 2013 at 2:47 pm

      Thanks, Alan. Claws Mail was not stable enough for me, always crashing :(

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