Send Outbound Sequences from Your Own Encrypted SMTP Mailboxes
Connect your Google Workspace, Microsoft 365, or private SMTP relays with military-grade Fernet symmetric encryption and automated daily sending caps. Full control over your sending infrastructure, EHLO/STARTTLS handshakes, and per-mailbox daily limits.
Connect your Google Workspace, Microsoft 365, or private SMTP relays with military-grade Fernet symmetric encryption and automated daily sending caps.
Full control over your sending infrastructure, EHLO/STARTTLS handshakes, and per-mailbox daily limits.
Included in every VerifiedOutbound workspace with zero annual lock-in.
How Encrypted Custom SMTP Mailbox Integration Powers High-Converting B2B Outbound
- ✓Engineered with non-blocking async DNS MX and SMTP socket verification.
- ✓Race-condition safe atomic credit ledger prevents duplicate or wasted charges.
- ✓Fully integrated with multi-step outbound email sequences and stop-on-reply.
Frequently Asked Questions
Is Custom SMTP Mailboxes included on all VerifiedOutbound plans?
Yes. Encrypted Custom SMTP Mailbox Integration is built into every VerifiedOutbound workspace, including free trial accounts.
How does this protect my sender domain reputation?
Full control over your sending infrastructure, EHLO/STARTTLS handshakes, and per-mailbox daily limits.
Stop Paying for Bounced Emails & Stale US Contact Lists
Every work email on VerifiedOutbound is verified in real time via live DNS MX and SMTP handshakes before a single credit is deducted.
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