On 10/09/2015 09:19 AM, ASchmid(a)gv-bayern.de wrote: The templates are Freemarker templates (http://freemarker.org/). Some variables are set by the application like for example {boundary}. There is currently no documentation (unless source code counts as documentation) for the application specific variables. Most templates are "raw" MIME messages and can be changed just to fit your needs. Just make sure that MIME messages are valid MIME messages. Kind regards, Martijn Brinkers -- CipherMail email encryption Open source email encryption gateway with support for S/MIME, OpenPGP and PDF messaging. https://www.ciphermail.com Twitter: http://twitter.com/CipherMail