On (info "(mailutils) Specifying Messages") ':n' Selects all recent messages, i.e. the messages that have not been neither read not seen so far.
s/not/nor/ mail.mailutils (GNU Mailutils) 3.4 P.S., the bottom of the page ends with The following are the examples of valid message lists: But then there are no examples. Something got truncated. Perhaps add an example of $ mail.mailutils --headers '{some way to say only show me the headers from DATE1 to DATE2; where the DATEs refer to the Date: header. And say how to make it refer also to the Delivery-date header.}' _______________________________________________ Bug-mailutils mailing list Bug-mailutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-mailutils