[A] [B] [C] [D] [E] [F] [G] [H] [I] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] elm mail client, Maildir compatibility principles of operation envelope addresses, cleaning up envelopes addresses environment variables, POP-before-SMTP environment, exec env command envnoathost control file masquerading hostnames errno problem GLIBC, fixing error messages, remote delivery failures etc/password files, adding user and group ids except program (delivery utility) exclude file (users database) exec env command, launching qmail exiting qmail expired files, deleting from allow directory EXT environment variable EXT2 environment variable EXT3 environment variable EXT4 environment variable ezmlm configuring lists installing list names lists, creating testing virtual domains |