Connect a mailbox
Outbound sends through your own mailbox via SMTP. Gmail needs an app password (2FA on). We verify the connection before saving — nothing is stored until it works.
Your mailboxes
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Supported email providers
Connect any of these with an app password or SMTP credentials — no OAuth needed. Full mailboxes support sending and reply detection. Providers behind Cloudflare (e.g. Hostinger) can't be reached from our network and aren't supported.
Full mailboxes — send + reply detection
| Provider | SMTP | IMAP | Auth |
|---|---|---|---|
| Gmail / Google Workspace | smtp.gmail.com:465 | imap.gmail.com:993 | App password |
| Yahoo Mail | smtp.mail.yahoo.com:465 | imap.mail.yahoo.com:993 | App password |
| iCloud Mail | smtp.mail.me.com:587 | imap.mail.me.com:993 | App password |
| Zoho Mail | smtp.zoho.com:465 | imap.zoho.com:993 | App password |
| Fastmail | smtp.fastmail.com:465 | imap.fastmail.com:993 | App password |
| AOL Mail | smtp.aol.com:465 | imap.aol.com:993 | App password |
| Yandex Mail | smtp.yandex.com:465 | imap.yandex.com:993 | App password |
| GMX | mail.gmx.com:465 | imap.gmx.com:993 | Password |
| Mail.com | smtp.mail.com:465 | imap.mail.com:993 | Password |
| Titan Email | smtp.titan.email:465 | imap.titan.email:993 | Password |
| Namecheap Private Email | mail.privateemail.com:465 | mail.privateemail.com:993 | Password |
| Custom / cPanel SMTP (non-Cloudflare) | your host:465 | your host:993 | Password |
Send-only relays — sending only, no reply detection
| Provider | SMTP | Auth |
|---|---|---|
| Amazon SES | email-smtp.<region>.amazonaws.com:465 | SMTP credentials |
| SendGrid | smtp.sendgrid.net:465 | API key |
| Mailgun | smtp.mailgun.org:465 | SMTP credentials |
| Postmark | smtp.postmarkapp.com:587 | Server token |
| Brevo | smtp-relay.brevo.com:587 | SMTP key |
| SMTP2GO | mail.smtp2go.com:465 | SMTP credentials |
| Mailjet | in-v3.mailjet.com:465 | API key/secret |
| SparkPost | smtp.sparkpostmail.com:587 | API key |
Microsoft 365 / Outlook is coming soon (requires OAuth — Microsoft disabled basic SMTP auth). Not supported: Hostinger and other Cloudflare-fronted mail hosts.
New campaign
Campaigns
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Consent-based warmup pool
Opt a mailbox in and it exchanges benign, AI-varied emails with other consenting members — opening, replying, and rescuing from spam to build reputation. Every participant opts in; leave anytime. Warmup counts toward your provider's daily limit. Effectiveness grows with pool size.
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Suppression list
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