cPanel Update Fails Due to RPM Conflict

The cPanel update fails due to a problem installing RPMs, but is not specific about what the problem is: [20160203.180007] Testing if the newly downloaded RPMS can be installed without conflict [20160203.180007] Testing RPM transaction [20160203.180012] [20160203.180012] ***** FATAL: Test install failed: [20160203.180012] The Administrator will be notified to review this output when this script…

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User Databases Missing from cPanel

After upgrading to cPanel 11.28, a number of our users indicated that databases were missing from their cPanels, despite the actual databases existing on the server. There are a number of things that can cause this, including corrupted Perl modules and MySQL not running, but the major cause that I’ve seen is from the new…

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Quota Errors in Exim’s Panic Log

In cPanel 11.25, you may be seeing errors like this in /var/log/exim_paniclog: 2010-04-15 12:33:27 failed to expand condition “${if exists {$home/etc/$domain/quota}{${if > {${lookup{$local_part}lsearch{$home/etc/$domain/quota}{$value}{0}}}{0}{${if eq {${if exists {$home/mail/$domain/$local_part/maildirsize}{1}{0}}}{0}{${if > {${run {/usr/local/cpanel/bin/eximwrap GETDISKUSED $local_part $domain}}}{${lookup{$local_part}lsearch{$home/etc/$domain/quota}{$value}{0}}}{true}{false}}}{${perl{checkuserquota}{$domain}{$local_part}{$message_size}{${lookup{$local_part}lsearch{$home/etc/$domain/quota}{$value}}}{$home/mail/$domain/$local_part/maildirsize}}}}}{false}}}{false}}” for virtual_user_maildir_overquota router: absolute value of integer “10485760000” is too large (overflow) To fix this, run : /scripts/reset_mail_quotas_to_sane_values –force –confirm –verbose…

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Understanding Dovecot IMAP and Maildir

Maildir (run by Courier IMAP or Dovecot) is a mail format used in conjunction with an MTA to store email on the server as separate files within folders. This post covers Courier IMAP as a service, not in terms of mail client usage. Directory Structure A user’s email is store in ”’/home/user/mail/<domain>/<emailuser>/…”’. Below is a…

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