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  • ISPConfig
  • ISPConfig 3
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  • #4686
Closed
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Issue created Jul 03, 2017 by Costin@manyk

Optimize postfix configuration

install/tpl/*_postfix.conf.master

Right now (v3.1.5) this is the order of checks for "smtpd_recipient_restrictions":

permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, check_recipient_access mysql:{config_dir}/mysql-virtual_recipient.cf {rbl_list} {greylisting}

But SQL requests are expensive and resource consuming. Isn't better to move the RBL checks before check_recipient_access? This way if the sender IP is blacklisted then we save extra database checks.

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