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Postfix: The Definitive Guide by Kyle D. Dent

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Name

authorized_verp_clients

Possible values:

hosts/domains

Default:

$mynetworks

VERP is a technique used with mailing lists to handle bounced messages. It combines the list owner address and original recipient address with a special delimiter character. authorized_verp_clients contains a list of host and domain names and IP addresses of clients that are allowed to use the feature.

Example:

authorized_verp_clients = $mynetworks

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