⚡ One tool. Every send.

Send smarter.
Land in the inbox.

Inbox prognosis, SMTP rotation, email library, and multi-campaign orchestration — all in one clean interface.

★★★★★ Used by email marketers who care about deliverability
📊
Inbox Prognosis
7-factor weighted score
82
82
Inbox
Score
SPF Auth20pt
DKIM Signed15pt
RBL Clean20pt
PTR Record10pt
SMTP Rotation
Auto-failover enabled
mx1.sendgrid.netOnlineSPF
mail.postmark.appOnlineDKIM
relay.mailgun.orgOnlineSPF
3 of 8 active · 247,481 sent today
📈
Campaign Stats
Summer Promo 2025
Sent84,210
Delivered97.4%
Opens23.1%
Clicks8.7%
0
Prognosis factors
0
DKIM selectors probed
0
Blacklist networks
0
No per-email caps

Every tool you need, nothing you don't

Click any feature to see a live preview of exactly how it works inside MailBlast.

Inbox Rate Prognosis
7-factor weighted score — instantly know your chances before you hit send
82
82 / 100
Likely inbox delivery
SPF Authentication
20 / 20
DKIM Signature
15 / 15
RBL Reputation
20 / 20
PTR Record
8 / 10
Domain Age
9 / 10
Sender History
10 / 15
Multi-SMTP Rotation
Distribute load across hundreds of servers with automatic failover and real-time health checks
mx-01.outbound.example.com84,210 sentOnline
mx-02.outbound.example.com71,043 sentOnline
mx-03.outbound.example.com12,500 sentOnline
mx-04.outbound.example.com39,211 sentOnline
Auto-failover active — failed server removed, traffic redistributed in <2s
Email Library
Millions of verified emails — filter by domain, gender, age bracket. Pick exactly N with custom gender mix.
gmail 1.2M hotmail 480k yahoo 310k aol 95k gmx 74k proton 41k
♂ Male
52%
♀ Female
39%
? Unknown
9%
Age filter: 25–45 · Sources: Explicit + Domain-estimated
✓ 487,204 emails match Pick 70,000 →
Open & Click Tracking
Pixel injection + link rewriting. Track opens, clicks, and per-server delivery in real time.
23.1%
Open rate
8.7%
Click rate
97.4%
Delivered
mx-01
25.4% opens
mx-02
20.8% opens
mx-03
18.2% opens
RBL Blacklist Monitor
Checks your IP/domain against 4 major blacklist networks in parallel. Alerts via Telegram on listing.
Spamhaus ZENClean ✓
Barracuda BRBLClean ✓
SpamCopClean ✓
SORBSClean ✓
Last checked: 2 min ago · Auto-check every 6 hours
DNS / SPF / DKIM Audit
Full auth tree check. Probes 16 DKIM selectors automatically — finds keys others miss.
✓ SPF record found — v=spf1 include:mx.example.com ~all
✓ DMARC policy — p=quarantine; rua=mailto:dmarc@example.com
✓ PTR record — resolves to mail.example.com
DKIM selectors probed (16):
● default._domainkey — key found (2048-bit)
● s1._domainkey — key found (1024-bit)
● mail._domainkey — key found (2048-bit)
○ google · selector1 · selector2 · k1 · dkim · …
Smart Send Window
Restrict sends to specific days and hours. Timezone-aware so recipients get mail at the right local time.
Mon Tue Wed Thu Fri Sat Sun
Time range: 08:00 – 20:00 UTC+1
✓ Send window active
Campaign will pause automatically outside hours — no manual intervention needed. Queued emails resume at next window open.
Campaign Analytics
7-day delivery chart, per-server breakdown, open/click rates — all in real time.
MonTueWed ThuFriSatSun
Delivered97.4%
Bounced1.2%
Spam folder1.4%
Multi-Campaign Orchestrator
Run parallel campaigns from the same SMTP pool. Set priority per job, pause or stop each independently, watch them in real time.
Newsletter
Running
32,450 / 50,000 sent · 97.4%
Priority
70%
Promo Flash
Paused
5,600 / 20,000 sent · 98.1%
Priority
20%
Re-engagement
Idle
0 / 8,000 sent · waiting
Priority
10%

Everything built in. No plugins.

Every feature ships with the platform. No marketplace, no add-ons, no hidden costs.

📊
Inbox Rate Prognosis
7-factor weighted analysis — SPF, DKIM, DMARC, RBL, PTR, domain age, and sender history — before you send a single email.
Unique
Multi-SMTP Rotation
Connect hundreds of SMTP servers. Automatic load balancing, health checks, and instant failover keep your campaigns running.
📚
Email Library
Upload millions of emails. Filter by domain, gender, age bracket (with domain-based age estimation), then pick exactly N with custom gender mix.
Unique
👁
Open & Click Tracking
Pixel injection and link rewriting give you real-time open rates, click counts, and per-server delivery breakdowns.
🔍
16-Selector DKIM Probe
Automatically probes 16 DKIM selectors (default, mail, google, s1, s2, k1…) to surface signing keys others miss.
Unique
🛡
RBL Blacklist Monitor
Parallel checks against Spamhaus, Barracuda, SpamCop, and SORBS. Instant Telegram alert the moment your IP appears.
🌱
Smart Warm-up Mode
Graduated send ramp keyed to domain age. Start at 200/day and scale automatically — the safest way to build reputation.
🎯
Multi-Campaign Orchestrator
Run N parallel campaigns sharing the same SMTP pool. Assign priority percentages, pause/resume independently, and track side-by-side in real time.
New
🕒
Send Window Control
Restrict sends to specific days and hours in any timezone. Queued emails pause and resume automatically — no cron jobs needed.
📈
Campaign Analytics
7-day delivery chart, per-campaign and per-server metrics, real-time counters. Everything you need to optimize performance.
💬
Telegram Notifications
Start, progress, completion, and error alerts delivered straight to your Telegram via bot token. Monitor campaigns from anywhere.
Unique
📋
RFC 8058 Unsubscribe
One-click List-Unsubscribe header injected automatically per RFC 8058. Keeps you compliant and reduces spam complaints.
Unique
✏️
Message Templates
Save and reuse messages with {{name}}, {{email}}, and custom variable substitution. Build your library once, deploy forever.

Up and running in minutes

No devops required. No complex configuration. Just connect your servers and start.

1
Add your SMTP servers
Paste credentials from any provider — Postfix, Sendgrid, Mailgun, or your own bare-metal. MailBlast validates and health-checks automatically.
2
Run your prognosis
Get an instant 7-factor inbox score. Fix anything flagged — SPF, DKIM, PTR — before a single email goes out.
3
Launch & monitor
Import your list or pick from the library, configure send windows and campaign priority, then launch. Watch parallel campaigns and per-server stats update live.

Simple, flat pricing

No per-email fees. No limits on recipients. Pay once, send as much as you want.

Crypto payments only — USDT · BTC · ETH · TON
Starter
$29/mo
Billed monthly
Everything you need to get started with professional email delivery.
  • Up to 5 SMTP servers
  • Inbox Prognosis checks
  • Open & click tracking
  • RBL monitoring
  • Telegram notifications
Get started →
Enterprise
Custom
Volume licensing
Dedicated instance, custom integrations, SLA guarantee.
  • Everything in Pro
  • Dedicated server deployment
  • Custom API integrations
  • White-label option
  • 99.9% uptime SLA
Contact us

Ready to dominate the inbox?

Join the senders who stopped guessing and started knowing their deliverability score before every send.