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Created by KoS@kos

postfix.conf - put the options line-by-line instead of one single line

Instead of having a single line per option in postfix.conf, it would make it better readable if the arguments are line by line, e.g.: instead of

smtpd_helo_restrictions = reject_invalid_helo_hostname, permit_mynetworks, check_helo_access regexp:{config_dir}/helo_access, permit_sasl_authenticated, reject_non_fqdn_helo_hostname, check_helo_access regexp:{config_dir}/blacklist_helo, {reject_unknown_helo_hostname}, permit

make it

smtpd_helo_restrictions = reject_invalid_helo_hostname, 
  permit_mynetworks, 
  check_helo_access regexp:{config_dir}/helo_access, 
  permit_sasl_authenticated, 
  reject_non_fqdn_helo_hostname, 
  check_helo_access regexp:{config_dir}/blacklist_helo, 
  {reject_unknown_helo_hostname}, 
  permit

https://git.ispconfig.org/ispconfig/ispconfig3/-/blob/develop/install/tpl/debian_postfix.conf.master#L29

This would make it also better comparable after an upgrade of ISPconfig and/or the server. (e.g. for the users with etckeeper to keep track of any configuration changes).