SELS

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Supported Email Clients

The following email clients and GnuPG plugins have been tested with SELS software.

Comparison of Supported Email clients on basis of SELS features

Email Client with GnuPG plugin
SELS features
PGP Mime support Importing public and secret keys embedded in email Signed & Encrypted Email Support Automatic decryption of emails
Mozilla Thunderbird with Enigmail Yes Yes, public keys are imported directly via key manager. Secret keys have to be saved to disk and imported as file Yes Yes
Microsoft Outlook 2003 with Gpg4win No, SMIME and inline PGP are supported No, public and secret keys have to be saved to the disk and then imported as files via GpG4win Key manager Yes No, have to use the decrypt button.
Mutt with builtin GPG support Yes No, public keys have to be imported to pubring and secret keys to secring inside GPG directory .gnupg using gpg command line options Yes Yes
Emacs and Gnus (v5.10) with Mailcrypt Yes No, public keys have to be imported to pubring and secret keys to secring inside GPG directory .gnupg using gpg command line options Yes Yes
Mac Mail with GPGMail Yes No, public keys have to be imported to pubring and secret keys to secring inside GPG directory .gnupg using gpg command line options Yes Yes

A note on compatibility between various email client

In our tests we found that email encryption and decryption worked successfully between all clients. These tests were conducted using external keys generated with GPG as well as with keys generated with SELS. However, for email signing we found that there are problems with signature verification for specific combination of email clients. Currently, this problems exists when encrypted and signed messages are sent from Thunderbird to Emacs or from Mutt to Mac Mail. Specifically, the email client may indicate that the message is not signed while, in fact, it is. Users can, however, use gpg commands on the received message to verify the signature. This problem was seen for tests with and without SELS; i.e., the problem is not caused by SELS.

For now we believe this to be a minor problem but we will continue to diagnose it and find solutions. In the meanwhile, please for occasional difficulties with signature verification.


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