When emails being delivered correctly, but the customer is not receiving anything.

Some troubleshoorting datapoints that can be relevant when doing triage.

Please ask the customer to check:

1. if the company spam filter (or something equivalent) is blocking anything from:
   1. the no-reply@platform.co.nl address, or
   2. blocking our email domain platform.co.nl or
   3. or
2. If they can add no-reply@platform.co.nl sender address to the company email whitelist
3. Send us details on their internal email architecture 
   1. Do they use Office365? 
   2. What company wide spam protection are they using? 
   3. Do they have a company wide email archive that collects every incoming email?