[root@server exim]# /usr/sbin/exim -qff -v
LOG: queue_run MAIN
  Start queue run: pid=19527 -qff
delivering 1PDH44-0005JK-LE (queue run pid 19527)
Connecting to ASPMX.L.GOOGLE.COM [74.125.43.27]:25 ... failed: Connection timed out (timeout=5m)
LOG: MAIN
  ASPMX.L.GOOGLE.COM [74.125.43.27] Connection timed out