JETI stands for JIRA Email This Issue. This is the short name of this add-on.
See detailed instructions How to Install License Keys
Yes, we do, however the license keys are issued by Atlassian. Read through How to obtain a community or non-profit license to learn how you can receive your keys.
There may be multiple reasons why Email button is not shown.How to Learn Why Email Button is Missing to understand what happens.
Absolutely. There are multiple ways to achieve this. Read through How to set up auto-reply or acknowledgment emails to understand which alternatives is best for you.
There may be numerous reasons why you don't get emails from JETI/Jira. Read through the How to track cases when you don't get any emails.
No, absolutely not. See How to prevent duplicate emails.
I don't want to show real user names as sender of emails. Can I customize the From attribute of emails?
Yes, sender is easily and flexibly configurable. See details How to customize Email From in outgoing emails.
Can I see somewhere the emails that were sent or received using JETI?
JETI provides an issue specifc and a global log of emails. Read How to view log of incoming and outgoing emails for more information.
Yes, there are How to control to whom email can be sent to impose restrictions.
Email loops might happen as a result of misconfiguration. However it is How to avoid email loops it.
Mail app on iOS devices does not handle multipart/related emails correctly. iOS Mail app does not show attachments.
Email This Issue Mail Handler can do a lot with the incoming emails, e.g. it can initialize issue fields based on the incoming email. Part of this, it can Route Emails to Projects.