On 2020-09-15 08:53 BST, Fourhundred Thecat wrote: > yes, I am accepting authenticated senders on port 465, and port 25 is > only for unauthenticated. > > But how do I ensure that header_checks only apply to port 25 ?
<http://www.postfix.org/BUILTIN_FILTER_README.html#mx_submission> HTH -- Nick
