This is one of the most sought out feature and one of the hot topics in this forum. ARC is expected to be introduced in 16.5 which is expected to be out by the end of this year. this may be subject to change, but given the importance of having this f...

If the bounce is generated by ESA, few features do support modification to SMTP response code. Explore the mail flow policy as an e.g. and you should see that the response code fields/value can be changed (though I dont see a see a specific use case ...

ETD at the moment supports integration using API and allows a list of API calls to me made. If thats not what you are looking for, then no it probably doesnt.

There's a generally a default waiting period (not on top of my mind), after which the instances are deleted from our systems. I believe we also have ways to recover upon removal (with in a stipulated time) beyond which we no longer can. You might wan...