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If ‘#’ is immediately followed by word ‘pragma’ (with optional whitespace between them), such a construct introduces a pragmatic comment, i.e. an instruction that controls some configuration setting.
The available pragma types are described in the following subsections.
| • prereq | Pragma prereq. | |
| • stacksize | Pragma stacksize. | |
| • regex | Pragma regex. | |
| • dbprop | Pragma dbprop. | |
| • greylist | Pragma greylist. | |
| • miltermacros | Pragma miltermacros. | |
| • provide-callout | Pragma provide-callout. |