After Receiving a 250 OK, Why Are Messages Being Rejected?
Some answers to the question "why are messages being rejected after receiving a 250 ok", with links to resources to correct the error.
How Do I Access the REST APIs?
Information on how to access the REST APIs and acquire an API key with appropriate permissions for that API.
If you are having trouble contacting [email protected]
, you've received an email from them, sent your reply but never heard back, here are options.