casperbiering/postfix_restrict_sender_domains.md

## postfix_restrict_sender_domains.md

      
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              postfix_restrict_sender_domains.md
            
          
    /etc/postfix/master.cf
redirect2admin    unix  -       n       n       -       -       pipe
  flags=F user=www-data argv=/bin/bash /etc/postfix/redirect2admin.bash

/etc/postfix/main.cf
header_checks = pcre:/etc/postfix/header_checks
smtpd_sender_restrictions = check_sender_access pcre:/etc/postfix/check_sender_access

/etc/postfix/header_checks
if /^From:/
/@domain1.com\b/ DUNNO
/@domain2.com\b/ DUNNO

/@/ FILTER redirect2admin:redirect2admin
endif

/etc/postfix/check_sender_access
/@domain1.com$/ OK
/@domain2.com$/ OK

/@/ FILTER redirect2admin:redirect2admin