4 articles
Read the delivery evidence for a message
Where to find what actually happened to a message you sent, and why acceptance and delivery are recorded separately.
Every message leaves through one door
Email, SMS and portal notifications all leave through a single path with the same recipient checks, the same duplicate protection and the same record, so a new feature cannot open a second way out.
Authenticate your sending domain
The records that let your mail leave under your own domain, and the evidence that a message actually arrived.
How an SMS is counted
SMS is metered in parts rather than messages, the part boundaries follow the messaging standard rather than a character count, and the product shows you the part count before you send.