我收到很多“网络无法访问”的消息。我确实收到了电子邮件，但我不确定为什么有这么多错误消息。
Feb 9 11:01:13 nagios postfix/pickup[32736]: 57262A44F4: uid=0 from=<[email protected]>
Feb 9 11:01:13 nagios postfix/cleanup[10376]: 57262A44F4: message-id=<63e437c9.ga60Cl/a2ZozHM5O%[email protected]>
Feb 9 11:01:13 nagios postfix/qmgr[15976]: 57262A44F4: from=<[email protected]>, size=429, nrcpt=1 (queue active)
Feb 9 11:01:13 nagios postfix/smtp[10379]: connect to smtp.office365.com[2603:1016:401:1000::2]:587: Network is unreachable
Feb 9 11:01:13 nagios postfix/smtp[10379]: connect to smtp.office365.com[2603:1016:0:2f::2]:587: Network is unreachable
Feb 9 11:01:13 nagios postfix/smtp[10379]: connect to smtp.office365.com[2603:1016:401:1052::2]:587: Network is unreachable
Feb 9 11:01:13 nagios postfix/smtp[10379]: connect to smtp.office365.com[2603:1016:401:2002::2]:587: Network is unreachable
Feb 9 11:01:14 nagios postfix/smtp[10379]: 57262A44F4: to=<[email protected]>, relay=smtp.office365.com[52.98.0.162]:587, delay=1, delays=0.04/0/0.84/0.15, dsn=2.0.0, status=sent (250 2.0.0 OK <63e437c9.ga60Cl/a2ZozHM5O%[email protected]> [Hostname=ME3P282MB1347.AUSP282.PROD.OUTLOOK.COM])
Feb 9 11:01:14 nagios postfix/qmgr[15976]: 57262A44F4: removed