ing to mail
automatically (i.e. an autoresponder
). The idea is you set your .forward
file to pipe
all incoming mail to the vacation
replies to each correspondent
with a precomposed message (which, typically, says that you're on vacation), typically in .vacation.msg
in your home directory
Some effort is made to prevent mail loops, by adding special headers to outgoing mail, and not responding to messages flagged as bulk.
A database of people already replied-to is kept, so normally each will receive notification only once.