Sep 5 00:19:56 post postfix/pickup[8633]: 29C2E17E7: uid=0 from=<school@ik.ru>
Sep 5 00:19:56 post postfix/cleanup[21344]: 29C2E17E7: message-id=<
5f52af7c.HteHM8vEXlRFNWNw%school@ik.ru>
Sep 5 00:19:56 post postfix/qmgr[8634]: 29C2E17E7: from=<school@ik.ru>, size=448, nrcpt=1 (queue active)
Sep 5 00:19:57 post postfix/smtp[21346]: 29C2E17E7: to=<v.lutenco@ik.ru>, relay=
mx.yandex.ru[
213.180.204.89]:25, delay=0.91, delays=0.03/0.01/0.25/0.63, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued on
mxfront11o.mail.yandex.net as 1599254397-CuhsFn4lAI-JuEa2SUO)
Sep 5 00:19:57 post postfix/qmgr[8634]: 29C2E17E7: removed
Sep 5 00:20:16 post postfix/pickup[8633]: 0B3B34798: uid=0 from=<school@i.ru>
Sep 5 00:20:16 post postfix/cleanup[21344]: 0B3B34798: message-id=<
5f52af90.EsXwwadqio+6Cea6%school@ik.ru>
Sep 5 00:20:16 post postfix/qmgr[8634]: 0B3B34798: from=<school@ik.ru>, size=441, nrcpt=1 (queue active)
Sep 5 00:20:16 post postfix/smtp[21346]: 0B3B34798: to=<vladimir@it-nix.ru>, relay=
mx.yandex.net[
87.250.250.89]:25, delay=0.77, delays=0.01/0/0.16/0.59, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued on
mxfront3o.mail.yandex.net as 1599254416-oRy8wuTMXt-KGs8VpVC)
Sep 5 00:20:16 post postfix/qmgr[8634]: 0B3B34798: removed
первый блок - письмо не доставлено получателю
второй блок - письмо моментально пришло