Sep 16 13:30:13 localhost postfix/smtp[124418]: connect to gmail-smtp-in.l.google.com[2a00:1450:400c:c02::1b]:25: No route to host
Sep 16 13:30:14 localhost postfix/smtp[124419]: connect to gmail-smtp-in.l.google.com[74.125.71.27]:25: Connection timed out
Sep 16 13:30:14 localhost postfix/smtp[124419]: connect to gmail-smtp-in.l.google.com[2a00:1450:400c:c02::1b]:25: No route to host
Sep 16 13:30:14 localhost postfix/smtp[124417]: connect to gmail-smtp-in.l.google.com[74.125.71.27]:25: Connection timed out
Sep 16 13:30:14 localhost postfix/smtp[124417]: connect to gmail-smtp-in.l.google.com[2a00:1450:400c:c0a::1a]:25: No route to host
Sep 16 13:30:14 localhost postfix/smtp[124420]: connect to gmail-smtp-in.l.google.com[74.125.71.27]:25: Connection timed out
Sep 16 13:30:14 localhost postfix/smtp[124420]: connect to gmail-smtp-in.l.google.com[2a00:1450:400c:c02::1b]:25: No route to host
Sep 16 13:30:14 localhost postfix/smtp[124421]: connect to gmail-smtp-in.l.google.com[74.125.71.27]:25: Connection timed out
Sep 16 13:30:14 localhost postfix/smtp[124421]: connect to gmail-smtp-in.l.google.com[2a00:1450:400c:c0a::1a]:25: No route to host
Sep 16 13:30:44 localhost postfix/smtp[124418]: connect to alt1.gmail-smtp-in.l.google.com[108.177.14.27]:25: Connection timed out
Sep 16 13:30:44 localhost postfix/smtp[124418]: connect to alt1.gmail-smtp-in.l.google.com[2a00:1450:4010:c0f::1b]:25: No route to host