Postfix SMTP server: errors from localhost[::1]

[Mail Delivery System]

Transcript of session follows.

 Out: 220 lists.ovirt.org ESMTP Postfix
 In:  ehlo linode01.ovirt.org
 Out: 250-lists.ovirt.org
 Out: 250-PIPELINING
 Out: 250-SIZE 10240000
 Out: 250-VRFY
 Out: 250-ETRN
 Out: 250-ENHANCEDSTATUSCODES
 Out: 250-8BITMIME
 Out: 250 DSN
 In:  mail FROM:<infra-bounces at ovirt.org> size=1731
 Out: 452 4.3.1 Insufficient system storage
 In:  rset
 Out: 250 2.0.0 Ok
 In:  quit
 Out: 221 2.0.0 Bye


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