.B addr-spec
as defined in \fBRFC2822\fP 3.4.1. The date is expected to be
.B date-time
-as defined in \fBRFC2822\fP 3.3.
+as output by
+.BR asctime(3) .
For compatibility reasons with legacy software, two-digit years
greater than or equal to 70 should be interpreted as the years
1970+, while two-digit years less than 70 should be interpreted as
.BR flock (2),
.BR link (2),
.BR stat (2),
+.BR asctime (3),
.BR maildir (5),
.BR mmdf (5),
.BR RFC822 ,