[Bug 198017] New: spamassassin claims 100% CPU when adding imap account

[David Rankin]

https://bugs.kde.org/show_bug.cgi?id=198017

           Summary: spamassassin claims 100% CPU when adding imap account
           Product: kmail
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: drankinatty at suddenlinkmail.com


Version:            (using KDE 4.2.90)
Installed from:    SuSE RPMs

If kmail is configured to use spamassassin before an imap account is added,
spamassassin will claim 100% of CPU when imap account is added.

After shutdown and restart spamassassin claims up to 52% of CPU until all
messages on imap server are processed which renders kmail unusable for hours
when 50,000+ messages reside on the server

This also causes POP checking to fail, if keep messages on server is configured
giving the error:

Your POP3 server (Account: Suddenlinkmail.com) does not support the UIDL
command: this command is required to determine, in a reliable way, which of the
mails on the server KMail has already seen before;
the feature to leave the mails on the server will therefore not work properly.

UIDL command works fine when spamassassin isn't operating on the imap account.

Spamassassin need to be reniced or reprioritized to prevent brining kde4 to its
knees when a large imap account is added.

Let me know if you need anything else.

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