S and R | Address rewrite rules |
  | RLHS RHS |
  | S13 |
  | R$* < $* > $* <@> |
---------- | --------------------------------------------- |
D | Define macro |
  | Dmacro name string |
  | Dn MAILER_DAEMON |
---------- | --------------------------------------------- |
C and F | Define classes |
  | Cclass name string string ... |
  | CE root |
  | FR-o /etc/mail/relay-domains |
---------- | --------------------------------------------- |
M | Define mailer |
  | Mmailer field=value.field=value ... |
  | Mprocmail |
---------- | --------------------------------------------- |
H | Define header |
  | H[?flags?]header name header template |
  | H?P?Return-Path: <$g> |
---------- | --------------------------------------------- |
O | Set Option |
  | Ooption-name = value |
  | O SevenBitInput=false |
---------- | --------------------------------------------- |
P | Precedence definitions |
  | Pfield name = value |
  | Pfirst-class=0 |
---------- | --------------------------------------------- |
V | Configuration version level |
  | Vversion |
  | V8/Berkeley |
---------- | --------------------------------------------- |
K | Key file definition |
  | Kmap mapclass arguments |
  | Kvirtuser hash -o /etc/mail/virtusertable |