.TP
\fB-o <output filename>\fR, \fB--output <output filename>\fR
set the db filename pattern for recursive search
+.TP
+\fB-a <search field>\fR, \fB--default-search <search field>\fR
+set the default search field: If a search request is not understood,
+it is interpreted as the regexp with this default search field
.SH "ENVIRONMENT VARIABLES"
.TP
\fB8h\fR selects mails received during the last 8 hours.
.TP
-\fBtoday\fR, \fB24h\fR selects mails received during the last 24 hours.
-.TP
-\fBweek\fR selects mails received during the last 7*24 hours.
+\fBtoday\fR, \fB24h\fR, \fBweek\fR, and \fBmonth\fR selects mails received during the last 24, 7 * 24 hours or 31 * 24 hours.
.TP
\fByesterday\fR selects mails received between 48h and 24h ago.
.TP