show outbound event information

[msimerson]

Currently watch only displays inbound emails. Add outbound information to the display as well.

From haraka/Haraka#2357

[manelpb]

Any chances we can get this?

[msimerson]

Obviously it's a feature I'd like, but the priority has been stuck somewhere below other projects that $pay and time spent away from the keyboard. The choices range between waiting patiently until I get around to it, submitting a PR that includes the feature, or hiring someone (probably me) to write the feature.