Aujourd'hui, je regardais le fichier log de Postfix (dans CentOS 6.X par défaut est /var/log/maillog) et j'ai vu beaucoup de messages en différé.
Jan 5 15:02:03 vps3 postfix/smtp[27441]: 3187E2180015: to=<undesired@domain.com>, relay=domain.com[167.114.XXX.XXX]:25, delay=254553, delays=254538/0.2/15/0, dsn= 4.4.2, status=deferred (conversation with domain.com[167.114.XXX.XXX] timed out while receiving the initial server greeting) Jan 5 15:02:03 vps3 postfix/smtp[27442]: CDED02180014: to=<undesired@domain.com.br>, relay=domain.com[167.114.XXX.XXX]:25, delay=258753, delays=258738/0.13/15/0, dsn =4.4.2, status=deferred (conversation with domain.com[167.114.XXX.XXX] timed out while receiving the initial server greeting) Jan 5 15:02:03 vps3 postfix/smtp[27443]: C8EE72180012: to=<undesired@domain.com.br>, relay=domain.com[167.114.XXX.XXX]:25, delay=258753, delays=258738/0.14/15/0, dsn =4.4.2, status=deferred (conversation with domain.com[167.114.XXX.XXX] timed out while receiving the initial server greeting) Jan 5 15:02:03 vps3 postfix/smtp[27444]: CDCE32180013: to=<undesired@domain.com.br>, relay=domain.com[167.114.XXX.XXX]:25, delay=258753, delays=258738/0.15/15/0, dsn =4.4.2, status=deferred (conversation with domain.com[167.114.XXX.XXX] timed out while receiving the initial server greeting)
et ces messages répétait de temps en temps.
Ici, le message est la chose la moins importante. Ce que j'avais était pour ces lignes disparu des journaux.
So here’;s une astuce pour obtenir des proies propres files d'attente et qui va pour une raison quelconque.
Pour voir ce que vous avez dans votre type de file d'attente de courrier:
# mailq
ou
# postqueue -p
Vous voyez les résultats comme ça:
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- 2CFD22180017 6361 Mon Jan 4 16:27:13 root@as8.producoesvsrevolucao.com.br (host alt1.gmail-smtp-in.l.google.com[64.233.190.27] said: 421-4.7.0 [192.99.43.88 15] Our system has detected an unusual rate of 421-4.7.0 unsolicited mail originating from your IP address. To protect our 421-4.7.0 users from spam, mail sent from your IP address has been temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0 https://support.google.com/mail/answer/81126 to review our Bulk Email 421 4.7.0 Senders Guidelines. 66si4725003qhp.11 - gsmtp (in reply to end of DATA command)) xxxnononoxxx@gmail.com AB6302180016 1062 Sat Jan 2 17:43:22 advertise.bz222yiaku@gmail.com (host alt1.gmail-smtp-in.l.google.com[64.233.190.27] said: 421-4.7.0 [192.99.43.88 15] Our system has detected an unusual rate of 421-4.7.0 unsolicited mail originating from your IP address. To protect our 421-4.7.0 users from spam, mail sent from your IP address has been temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0 https://support.google.com/mail/answer/81126 to review our Bulk Email 421 4.7.0 Senders Guidelines. j133si42716128qhj.106 - gsmtp (in reply to end of DATA command)) xxxnononoxxx@gmail.com 849F02180010 3677 Thu Dec 31 20:22:07 gtve5x@gmail.com (host alt1.gmail-smtp-in.l.google.com[64.233.190.27] said: 421-4.7.0 [192.99.43.88 15] Our system has detected an unusual rate of 421-4.7.0 unsolicited mail originating from your IP address. To protect our 421-4.7.0 users from spam, mail sent from your IP address has been temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0 https://support.google.com/mail/answer/81126 to review our Bulk Email 421 4.7.0 Senders Guidelines. g70si65400626qkh.92 - gsmtp (in reply to end of DATA command)) xxxnononoxxx@gmail.com -- 12 Kbytes in 3 Requests.
Chaque ligne est un message dans la file d'attente. Le premier bloc est l'Id de la file d'attente.
Pour effacer un message de type de file d'attente:
# postsuper -d AB6302180016 postsuper: AB6302180016: removed postsuper: Deleted: 1 message
Cela va supprimer le message 849F02180010 de file d'attente.
Autres commandes utiles:
# Postfix flush
ou
# Postfix -f
Rincer tous les messages de la file d'attente de Postfix.
# postsuper -d tous
Supprimer tous les messages de la file d'attente.
# postsuper -d tout différé
Supprimer tous les messages différés de file d'attente.