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11.4.2.2. Flags
Flags are essential to determine how or if a recipe's conditions are compared to a message. The following flags are commonly used:
A
— Specifies that this recipe is only used if the previous recipe without anA
ora
flag also matched this message.a
— Specifies that this recipe is only used if the previous recipe with anA
ora
flag also matched this message and was successfully completed.B
— Parses the body of the message and looks for matching conditions.b
— Uses the body in any resulting action, such as writing the message to a file or forwarding it. This is the default behavior.c
— Generates a carbon copy of the email. This is useful with delivering recipes, since the required action can be performed on the message and a copy of the message can continue being processed in therc
files.D
— Makes theegrep
comparison case-sensitive. By default, the comparison process is not case-sensitive.E
— While similar to theA
flag, the conditions in the recipe are only compared to the message if the immediately preceding the recipe without anE
flag did not match. This is comparable to an else action.e
— The recipe is compared to the message only if the action specified in the immediately preceding recipe fails.f
— Uses the pipe as a filter.H
— Parses the header of the message and looks for matching conditions. This occurs by default.h
— Uses the header in a resulting action. This is the default behavior.w
— Tells Procmail to wait for the specified filter or program to finish, and reports whether or not it was successful before considering the message filtered.W
— Is identical tow
except that "Program failure" messages are suppressed.
For a detailed list of additional flags, refer to the
procmailrc
man page.