Email delivery
What do I need to connect a sending mailbox?
You need an authorized business mailbox, the provider’s supported connection method, and the correct host, port, and encryption settings. Use an application password when your provider supports and requires one. Keep credentials private and verify a test message before using the connection for outreach. Sending and receiving replies are separate setup steps.
How to approach it
- Use a mailbox you own or are authorized to operate.
- Follow the provider’s current connection instructions.
- Check both delivery and reply routing with addresses you control.
A successful SMTP connection shows that the account can connect. It does not show that incoming replies are routed into Vibeful or that every future prospect is eligible for contact.
Updated September 10, 2026 · By Vibeful Team