Aug 18 19:05:26 debian postfix/smtp[2671]: connect to vtmail2.virustotal.com[94.23.253.72]:25: Connection timed out Aug 18 19:05:26 debian postfix/smtp[2671]: 0A0556347D: to=<sc...@virustotal.com>, relay=none, delay=376, delays=346/0.01/30/0, dsn=4.4.1, status=deferred (connect to vtmail2.virustotal.com[94.23.253.72]:25: Connection timed out)