When mailbox becomes full what happens to the email sent to such box?

Created:

2016-11-16 13:06:27 UTC

Modified:

2017-04-24 11:57:37 UTC

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When mailbox becomes full what happens to the email sent to such box?

Applicable to:

  • Plesk for Linux

Question

When mailbox becomes full what happens to the email sent to this box?

Answer

It can no longer be received. Here is what can be observed in maillog

Jan 23 14:12:49 plesk115 postfix/smtpd[16831]: connect from unknown[10.81.1.4]Jan 23 14:12:49 plesk115 postfix/smtpd[16831]: 5EF0583294: client=unknown[10.81.1.4], sasl_method=CRAM-MD5, sasl_username=sender@domain-22701.comJan 23 14:12:49 plesk115 postfix/cleanup[16836]: 5EF0583294: message-id=1421989969-298026@smtp-cliJan 23 14:12:49 plesk115 /usr/lib64/plesk-9.0/psa-pc-remote[16369]: handlers_stderr: DATA Mailbox full#015Jan 23 14:12:49 plesk115 /usr/lib64/plesk-9.0/psa-pc-remote[16369]: handlers_stderr: DEFERJan 23 14:12:49 plesk115 /usr/lib64/plesk-9.0/psa-pc-remote[16369]: DEFER during call 'check-quota' handlerJan 23 14:12:49 plesk115 /usr/lib64/plesk-9.0/psa-pc-remote[16369]: Message aborted.Jan 23 14:12:49 plesk115 postfix/cleanup[16836]: 5EF0583294: milter-reject: END-OF-MESSAGE from unknown[10.81.1.4]: 4.2.2 Mailbox full; from=sender@domain-22701.com to=user01@domain-22701.com proto=ESMTP helo=Jan 23 14:12:49 plesk115 postfix/smtpd[16831]: disconnect from unknown[10.81.1.4]

Client side SMTP session displays "Mailbox full":

Connection from 10.81.1.4:42562 to 10.81.13.227:25[220] 'plesk115.myplesk.prl ESMTP Postfix'

EHLO localhost[250] 'plesk115.myplesk.prl'[250] 'PIPELINING'[250] 'SIZE 10240000'[250] 'ETRN'[250] 'STARTTLS'[250] 'AUTH CRAM-MD5 DIGEST-MD5 LOGIN PLAIN'[250] 'ENHANCEDSTATUSCODES'[250] '8BITMIME'[250] 'DSN'Starting TLS...STARTTLS[220] '2.0.0 Ready to start TLS'Using cipher: AES128-SHA256Subject Name: /C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.comIssuer Name: /C=US/ST=Virginia/L=Herndon/O=Parallels/OU=Parallels Panel/CN=Parallels Panel/emailAddress=info@parallels.comEHLO localhost[250] 'plesk115.myplesk.prl'[250] 'PIPELINING'[250] 'SIZE 10240000'[250] 'ETRN'[250] 'AUTH CRAM-MD5 DIGEST-MD5 LOGIN PLAIN'[250] 'ENHANCEDSTATUSCODES'[250] '8BITMIME'[250] 'DSN'AUTH method (CRAM-MD5 DIGEST-MD5 LOGIN PLAIN): using CRAM-MD5AUTH CRAM-MD5[334] 'PDY5NTczNDU3Ni4xMjcwMzkwOUBwbGVzazExNS5teXBsZXNrLnBybD4='c2VuZGVyQGRvbWFpbi0yMjcwMS5jb20gNGQ0ZDhlODA1NGFiN2Y3NDJkZmQ1ZWRmYmZlMzM5MDQ=[235] '2.7.0 Authentication successful'Authentication of sender@domain-22701.com@10.81.13.227 succeededMAIL FROM: sender@domain-22701.com [250] '2.1.0 Ok'RCPT TO: user01@domain-22701.com [250] '2.1.5 Ok'DATA[354] 'End data with . '[422] '4.2.2 Mailbox full'DATA not send: '422 4.2.2 Mailbox full'QUIT[221] '2.0.0 Bye'

Mail cannot be sent to such mailbox.

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