Upgrade to Inbox Sender — modern UI, proxy rotation per email, multiple tags + full tracking, built‑in debouncer, O365 verifier, no rate limits.
Inbox Sender is a modern bulk SMTP email sender with proxy rotation (1 per email), tags + full tracking, built‑in debouncer, and an Office 365 verifier for better inboxing.
Yes. Our O365 verifier and deliverability controls help target business inboxes while keeping send quality high.
We combine proxy rotation per email, multiple tags with tracking, debouncer, and O365 checking in one GUI app with no monthly limits.