On Sun, Sep 25, 2022 at 10:24:23AM +0200, Lists Nethead wrote: > > You probably do not need a dedicated port, just configure both an > > RSA and a DSA certificate. Why you'd want to do this is a mystery, > > an SMTP client that only supports DSS is rather a museum piece. > > Thank you Viktor for this explanation, really helpful, I will go with > the iptables suggestion (or in our case pf). The OS is FreeBSD 12 so > it should be doable.
Are you sure you need a dedicated port? Are you trying to avoid configuring an additional DSA certificate on the default port? In any case, your call. Yes remapping the client a non-default port via a packet filter will give you enough rope. -- Viktor.