makeimapaccess — Build IMAP server access file
makeimapaccess
makeimapaccess rebuilds the contents of the
/etc/courier/imapaccess.dat database from the
contents of the
files in the /etc/courier/imapaccess directory.
When the
imapd script starts couriertcpd,
the script specifies the
/etc/courier/imapaccess.dat file to control
access to
the Courier mail server's
IMAP daemon. The makeimapaccess script
must be
run before any changes in the /etc/courier/imapaccess
directory take effect.
The couriertcpd(8) manual page describes the general format of access files.
imapaccess configuration fileThe couriertcpd(8) manual page describes the generic format of the access file. The access file specifies what should be done with connections from defined IP address ranges. The basic choices are to accept or reject the connection. Also, the generic format of the access file allows arbitrary environment variables to be set based on the connection's remote IP address, however the IMAP server does not use any special environment variables on its own.
/etc/courier/imapaccess
can be a subdirectory instead of
a text file. This has the effect of concatenating all files in that
directory (subject to the following checks) and then using the result
as the
/etc/courier/imapaccess file.
The following checks are made:
Files whose names contain a tilde, “~” are skipped over.
Files whose names end with the following suffixes result in an error
message: “.rpmsave”, “.rpmnew”, and
“.dpkg-suffix”. These files
are backup files created by package manager when updating to a newer
version of the package and contain the old or the new version of a
configuration file whose settings may be new or obsolete.
The contents of the file whose name does not have the suffix should be checked against the backup. The backup file should be deleted after making any needed manual changes to the configuration file.
Files whose names end with the “.dist” suffix is also treated as a configuration file backup or template, but with the following exception: the “.dist” file gets ignored and automatically skipped over, without any error message, if the suffix-less file exists and its modification time is more recent than the “.dist” file's modification time.
Otherwise an error message gets reported. Resolving the error message is done by either copying the “.dist” file or editing and saving the file without the suffix (resulting in a newer timestamp).