an e-mail encryption, virus- and spam- checking module, gateway and daemon
# gpgmailencrypt gpgmailencrypt can encrypt e-mails and check for spam and viruses.
It supports * PGP/Inline * PGP/Mime * S/Mime * PDF
For spam checking it supports * spamassassin * bogofilter
For virus checking it supports * avast * bitdefender * clamav * drweb * f-prot * sophos
It can be used normally as a script doing everything on command line, in daemon mode, where gpgmailencrypt acts as an encrypting smtp server or as a module for programmers.
It takes e-mails and returns the e-mail encrypted to another e-mail server if a encryption key exists for the receiver. Otherwise it returns the e-mail unencrypted. The encryption method can be selected per user.
See gpgmailencrypt documentation.pdf for more info.(https://github.com/gpgmailencrypt/gpgmailencrypt/blob/master/documentation/gpgmailencrypt%20documentation.pdf)