setmaillist reads a mailing list from its standard input.
setmaillist writes the mailing list in a binary format to
tmp; it then moves
bin must be on the same filesystem.
If there is a problem creating
setmaillist complains and leaves
The binary mailing list format is portable across machines.
setmaillist always creates
The mailing list read by
setmaillist is a series of lines.
NUL bytes are not allowed.
If a line begins with a dot or slash,
setmaillist takes the entire line as an include file name.
If a line begins with an ampersand,
setmaillist takes the rest of the line as a recipient address.
If a line begins with a letter or number,
setmaillist takes the entire line as a recipient address.
Each recipient address must include a fully qualified domain name.
Recipient addresses longer than 800 bytes are not allowed.
setmaillist ignores blank lines
and lines beginning with #.
It also ignores spaces and tabs at the ends of lines.
is a mailing list with two addresses.