This is an old revision of the document!
small mail transfer agent listening on port 25 - useful on local server sometimes it crashs.. ^^
setup a correct (dns resolvable) hostname:
dpkg-reconfigure exim4-config
mailservers may block temporary dyndns IPs or move them to spam!
check for frozen messages:
mailq
remove all frozen messages from mailq:
exim -bp | exiqgrep -i | xargs exim -Mrm