Reworked Docker image

• Smaller Docker image based on Alpine Linux
• Hardened container security
• Revised recommended docker run commands (cleanup and hardening)

Thanks to @SISheogorath!

Unixsock

v0.6.0

unixsock

Async logging

Introduces non-blocking logger

Minor bugfix

Minor bugfix and refactoring; introduces 100% test coverage

Fix query parsing

This release contains important fix of query parsing issue which could be causing to incorrect daemon responses.

Split dependencies

This release splits main package dependencies into optional extras in order to reduce efforts of distro packages maintainers.

Changes:

• Installation procedure changed. Now full-featured package is pulled with pip3 install postfix-mta-sts-resolver[sqlite,redis] command
• Changed default config location to untangle it from postfix config directory. New location is /etc/mta-sts-daemon.yml

Minor update

• Manifest application requests with User-Agent header

SQLite improvements

Switched to aiosqlite 0.10.0 which more precisely fits connection pooling demands

Fix Python3.5 compatibility

Fixes Python3.5 compatibility

Stability and performance improvements

• Fixes wait_closed() issue.
• Added thread pooling, timeouts and WAL for SQLite cache.
• Added cache grace feature: do not update and refresh records which are too fresh.