I have Vesta Control Panel on my Ubuntu 13.04 x32. When sending emails is launched the following error in the log ( /var/log/exim4/mainlog):
2014-04-08 11:41:59 1WW4bC-0008Om-0I == firstname.lastname@example.org email@example.com R=dnslookup T=remote_smtp defer (101): Network is unreachable 2014-04-08 11:41:59 1WWpOH-0004fL-2R == firstname.lastname@example.org R=dnslookup T=remote_smtp defer (-53): retry time not reached for any host
The command: telnet alt1.gmail-smtp-in.l.google.com 25
returns: Trying 188.8.131.52… Trying 2a00:1450:400c:c03::1a… telnet: Unable to connect to remote host: Network is unreachable
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