is logged, unless error logging is done through syslog while running in
daemon mode. Note that fetchmail may automatically enable this option
depending on upstream server capabilities. Note also that this option
-may be removed and forced enabled in a future fetchmail version.
+may be removed and forced enabled in a future fetchmail version. See
+also: \-\-idfile.
.TP
.B \-P <portnumber> | \-\-service <servicename>
.B \-i <pathname> | \-\-idfile <pathname>
(Keyword: idfile)
Specify an alternate name for the .fetchids file used to save POP3
-UIDs.
+UIDs. NOTE: since fetchmail 6.3.0, write access to the directory
+containing the idfile is required, as fetchmail writes a temporary file
+and renames it into the place of the real idfile only if the temporary
+file has been written successfully. This avoids the truncation of
+idfiles when running out of disk space.
.TP
.B \-n | \-\-norewrite
(Keyword: no rewrite)