Lists
Contacts to send to. Import by CSV or push from an app.
0
suppressed
No lists yet. An app creates one through the API, or you can add one here once the campaign screen is wired to create them.
Address checking is syntax, MX and reputation only. It never probes a mail server with RCPT — most servers accept every recipient and bounce later, so the answer would usually be wrong, and doing it at volume looks like a dictionary attack and gets the sending IP blocklisted.