[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] -q command-line option, limiting use qf file, queue messages multiple queues runners and queue definition df files messages multiple queues directory emergency clearance envelopes, maximum groups access database and attributes defining groups, directories ls commands messages maximum time kept multiple filetypes problem mail qf file messages multiple queues runners and recipients, assigning runners, persistent tf file Timeout_queuereturn option xf file delivery attempts multiple queues queue processing, launching sendmail queue servers fallback mail exchanger and MX record and QueueSortOrder option |