How can I prioritize delivery of mail from or to certain addresses?
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Updated:August 12, 2014
Environment: Cisco Email Security Appliance (ESA), all versions of AsyncOS
AsyncOS has no settings to priorize delivery for single domains, because every recipient domain gets a separate connection, where it will be delivered instantly. Also, all incoming messages are treated with the same priority. However you have the option of whitelisting any number of addresses that you trust and allow messages form these domains to skip anti-spam and/or anti-virus scanning.