On Wed, May 19, 2021 at 04:51:42PM -0400, post...@ptld.com wrote: > > On 05-19-2021 4:34 pm, IL Ka wrote: > > Do you really have such a big load so one submission postfix isn't > > enough? > > I don't know what i don't know. Im building it so i can easily add more > servers if/when needed. > On a typical dedicated server (Intel Xeon E5, 128G ram) how many messages > (ball park) can postfix juggle at once or per min? > I would recommend benchmarking this, but your bottleneck is very likely to be disk IO. > > > If Haproxy is absolutely necessary then you can try to use either > > SubjectAltName or wildcard cert from my prev. email. > > If i make one wildcard *.example.com cert can you place copies of the same > cert on all servers? Is that good form? Not sure if that is a direction i > will go since certbot does not allow for auto renewals with wildcards.
You need one certificate for submission.example.com which is present on all servers.
