Article ID: 114941, created on Oct 11, 2012, last review on Aug 12, 2014

  • Applies to:
  • Plesk for Linux/Unix


SpamAssissin will not process mail for mailnames in upper/mixed-case, delivering an error such as the following (or without showing an error message in PP 11.0.9):

Feb 7 08:33:53 vps-857094 spamd[93723]: auto-whitelist: open of auto-whitelist file failed: locker: safe_lock: cannot create tmp lockfile /var/qmail/mailnames/domaininuppercase.tld/mail/.spamassassin/ for /var/qmail/mailnames/domaininuppercase.tld/mail/.spamassassin/auto-whitelist.lock: No such file or directory

Cause & Resolution

Most probably your server contains mailboxes with capital letters in their names. Check this article for more information:

113752 Email addresses containing capital letters do not work

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