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4.2.5 Pragma greylist

pragma: greylist type

Selects the greylisting implementation to use. Allowed values for type are:

traditional
gray

Use the traditional greylisting implementation. This is the default.

con-tassios
ct

Use Con Tassios greylisting implementation.

See greylisting types, for a detailed description of these greylisting implementations.

Notice, that this pragma can be used only once. A second use of this pragma would constitute an error, because you cannot use both greylisting implementations in the same program.