Lawful sending, domain authentication, list quality and bounce handling.
What to verify
consent and legal basis
SPF, DKIM and DMARC
unsubscribe, bounces and complaints
Next step
Gather the core facts and request a written proposal. Before payment, verify the provider, scope, price, currency, timing, payment details and limitations.
Contact
Describe your question
Never provide a PIN, CVV/CVC, one-time code, seed phrase or private key.