Google "postfix dovecot" as a starting point!
https://www.google.com.hk/search?q=postfix+dovecot&ie=utf-8&oe=utf-8...
Then google "linux perfect email server":
https://www.google.com.hk/search?q=linux+perfect+email+server&ie=utf-8&a...
And here is a comparison of mail server found via Google.
https://en.wikipedia.org/wiki/Comparison_of_mail_servers
On Fri, Jun 17, 2016 at 2:33 AM, Ken Dibble krdibble@stny.rr.com wrote:
There are a bazillion options for replacements and I don't have any reliable basis on which to evaluate them.
Do any of you have recommendations for Linux SMTP/POP server software that would be suitable for running an internal email system?