[Bug 9251] New: sendmail error while submitting changes to a bug

http://bugs.winehq.org/show_bug.cgi?id=9251

Summary: sendmail error while submitting changes to a bug
           Product: WineHQ Bugzilla
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: misc-bugs
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

I just marked bug 4566 as fixed. The bug got marked as fixed, but on the
resulting page (http://bugs.winehq.org/process_bug.cgi) I got the following:

title: HASH(0x1cb6f70)

Bugzilla has suffered an internal error. Please save this page and send it to
[e-mail] with details of what you were doing at the time this
message appeared.

There was an error sending mail from 'WineHQ Bugzilla '
to '[e-mail]':error when closing pipe to /usr/lib/sendmail: