bleala

DNSdist - a highly DNS-, DoS- and abuse-aware loadbalancer. DOCKERIZED!

Pimsync - to synchronise calendars and contacts between different storages. DOCKERIZED!

Unbound - a validating, recursive, and caching DNS resolver. DOCKERIZED!

Vdirsyncer - sync calendars and addressbooks between servers and the local filesystem. DOCKERIZED!

GPG (GNU Privacy Guard) - a complete and free implementation of the OpenPGP standard. DOCKERIZED!

Postfix - Simple Postfix SMTP TLS relay alpine based image with multiple use cases. DOCKERIZED!