Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

* Transport security has never been useful
* Build date is confusing and unnecessary
* Update description of how to generate SMTP/IMAP logs

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

* log SMTP communication #1392

I copied the thing form imap and changed it. After I try it I noticed it would be better to split the logs. So one for imap and one for smtp.

* additional to my commit form log SMTP communication

Necessary changes for the issue_template that would incur by splitting the horde logs.

* Update issue_template.md

* additional to my commit form log SMTP communication

Necessary changes for the readme that would incur by splitting the horde logs.

- Move Mail app information to the top
- Add mail app version

Update issue_template.md

Update CONTRIBUTING.md