[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [X] [Y] [Z] fallback mail exchanger , queue server and FAQ file fax servers, relaying mail FAX_RELAY define feature directory files delivery to controlling disabling permissions changing security and filters, procmail local mail outbound mail firewalls, limiting number of servers flags authwarnings goaway mailers, adding/removing needexpnhelo needmailhelo needvrfyhelo nobodyreturn noexpn noverb novrfy procmail restrictexpand restrictmailq restrictqrun SASL Srv_Features: entry .forward files delivery address processing location users, defining forward security (SASL) forwarding compared to relaying external delivery messages to programs users without login shells overview too many hops error, correcting FRIEND keyword, access database, spam and From: tag (access database) ftp downloading PGP keys downloading sendmail source code downloading signature files |