Merge branch 'master' into 'stable-3.1'

Till Brehm

2016-06-17 522bede75fce4a0e3a7d2c7eff1eee198b900a22

1
2
3
4
 
amavis unix - - - - 2 smtp
        -o smtp_data_done_timeout=1200
        -o smtp_send_xforward_command=yes