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setmaillist(1) General Commands Manual setmaillist(1)


setmaillist - create a binary mailing list


setmaillist bin tmp


setmaillist reads a mailing list from its standard input.

setmaillist writes the mailing list in a binary format to tmp; it then moves tmp to bin. tmp and bin must be on the same filesystem.

If there is a problem creating tmp, setmaillist complains and leaves bin alone.

The binary mailing list format is portable across machines.

setmaillist always creates bin world-readable.


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.

For example,

is a mailing list with two addresses.


setforward(1), newinclude(1), printmaillist(1)