mailserver

Hello,

I'm trying to integrate Inbucket into my e2e tests.

The dynamically instantiated VM where Inbucket would run doesn't get a domain name for its public IP address (argh), so my idea was to try out whether I could have my test e-mails sent to somebody@IP_ADDRESS rather than bother with no-ip and such.

I don't want to have the tested application send e-mails directly to Inbucket, but

We should not discard errors with _, but handle them accordingly.

All code should handle errors. If there is a solid reason not to do this then document on the line why this is not checked.
Test code is allowed to disregard errors.

Cmail looks really nice :) Thanks for building it, a dockerfile would make deployment significantly easier.