Matt Friedman wrote: > Hi, > > For an internet facing postfix server, is TLS strictly required? Do I > need to obtain an SSL certificate for this? >
No and No. > What would happen if I didn't use TLS? Would I be inviting spammers > and hackers to take over my postfix installation? Are there > alternative security measures that are as secure or better? > TLS is to email as HTTPS is to web browsing. They provide no protection for programs themselves. Security of your system is only as tight as your firewall. > Another question. If I have example.com setup to point to the IP > address 70.222.222.23 can I have u...@example.com go to another IP? > Do you mean message routing? If so, use transport_maps.
