On 2021-04-01 18:17, Viktor Dukhovni wrote:
master.cf: smtp unix ... smtp smtp4 unix ... smtp -o inet_protocols=ipv4 smtp6 unix ... smtp -o inet_protocols=ipv6transport: # IPv6 slow or rejected by exampl4.net example4.net smtp4 # IPv4 slow or rejected by example6.net example6.net smtp6 This does not require any changes in global defaults.
is it not example6.net smtp6: example4.net smtp4: is : optional ? or is both working, i use the later