On 12/4/2015 6:11 AM, Leander Schäfer wrote: > With Apache one may use "mod_deflate" in order to reduce bandwidth by > using e.g. gzip to compress the http traffic. I would like to use > something similar for email traffic between mail clients to dovecote and > postfix. My questions are: https://tools.ietf.org/html/rfc4978 michael