Sentinel helps you create personalized campaigns, deliver from your own mailbox, and track every recipient in one dashboard.
Campaign Performance Snapshot
Recipients
2,540
Sent
2,480
Open Rate
41.2%
Click Rate
12.8%
Latest campaign
Spring Product Launch
Sent to 850 recipients, 356 opened, 95 clicked.
A simple workflow from mailbox connection to campaign analytics.
STEP 1
Connect Google or IMAP mailbox in under a minute.
STEP 2
Import CSV with Email/email/EMAIL headers supported.
STEP 3
Create your subject and template with merge tags.
STEP 4
Send instantly or schedule campaign for a future time.
STEP 5
Monitor per-recipient opens, clicks, errors, and delivery.
Upload CSV lists and personalize each email with merge tags like {{name}} and {{company}}.
Send through your own Gmail/IMAP inboxes so outreach looks natural and trusted.
Measure opens, clicks, delivery, and failures with recipient-level visibility.
Schedule campaigns for later and control pacing with delay and hourly limits.
See sent/opened/not-opened/failed users from one clean campaign detail page.
Built with auth, encrypted credentials, role separation, and webhook verification.
Start free, upgrade when outreach grows.
$2.4/month
Everything you need before launching your first campaign.
Free plan includes 50 emails/month. Pro unlocks unlimited monthly usage with smart safety pacing.
Yes. You can choose a future date/time and Sentinel will trigger campaign delivery automatically.
Yes. Campaign detail and email detail pages show opens, clicks, delivery, and failed recipients.
Yes. Connect Gmail OAuth or IMAP/SMTP mailbox and send directly from your own address.
From upload to analytics, Sentinel gives your team a complete outreach workflow.