How to use Jmeter's mail reader sampler to send/receive invitations and activation key in a Test plan

Question

I am creating a test plan to test mail functionality, which requires to send 'Invitations' and 'Activation key' to other Email Id's form an application.

How can I implement Jmeter 'Mail reader sampler' to send the invitation and extract the activation key from it?

We use 'REST API's and Json.

Answer 1

I believe that How to Create a JMeter Script to Check Email During Registration AND Grab the Confirmation URL guide contains the answer.