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Hit revenue goals. Get more replies and less spam.

Cold email drives revenue when emails land in the inbox. GlowBox integrates under your CRM via SMTP to manage deliverability automatically, keeping every send healthy, warmed, and monitored.

Email network interface on a laptop
Person viewing an email inbox dashboard
01

Connect GlowBox to your current tools via SMTP — no replacements.

02

Budget-friendly deliverability protection that helps you scale outreach safely — no migration, no tool changes.

03

When you're seeing spam or scaling outbound volume.

Outbound breaks when:

Mailboxes burn iconMailboxes Burn
Domains throttled iconDomains get throttled
Sequences stalled iconSequences stall
mid-campaign
GlowBox prevents this automatically.

The safest way to start outbound

Built for small & growing teams that want results without deliverability risk.

Safe by default

$60/month to startLow-risk entry for serious outbound.
500+ emails/day, protectedBuilt-in limits keep domains healthy.
6-week warm-up includedReputation first, scale later.
Domain health monitoringCatch issues before performance drops.

Easy to launch

Live in minutesNo complex infrastructure.
Full deliverability visibilitySent, bounced, spam — all in one place.
Monthly, no lock-inScale only when you're ready.
Start with Starter

Upgrade anytime as your volume grows

Proof-First Onboarding

Live in Minutes

Connect SMTP icon

Connect SMTP

Step#1
Route a test email icon

Route a test email

Step#2
See delivery improvements immediately icon

See delivery improvements immediately

Step#3

Typical setup takes 10 minutes.

Monitoring & Protection

GlowBox watches for:

Throttling iconThrottling
Provider limits iconProvider
limits
Reputation drops iconReputation
drops
Problems are handled before campaigns pause.

Results You Can Count On

Fewer stalled
sequences

Longer-lasting
domains

More reliable
outbound volume