You can do the first part with Haraka. For what it's worth. I started work on an...

baudehlo on Dec 7, 2015 | parent | context | favorite | on: Why it’s so hard to innovate in the e-mail space (...

You can do the first part with Haraka. For what it's worth. I started work on an imap server but decided there was little point as nobody needs a highly custom imap server.