Any mailbox that offers IMAP and SMTP can be connected: Zoho, Yahoo, your web host and most others.
- Open Mailboxes → Sending accounts and choose another provider.
- Enter the IMAP details (for reading replies) and the SMTP details (for sending). Your provider's help pages list them.
- Press Test connection. mailzy checks both before anything is saved.
Many at once
To connect many mailboxes, upload them by CSV from the same page. Each one is tested before it's added.