Send high-volume email without running email servers.

SMTPMaster gives you managed SMTP infrastructure, dedicated IP options, clean sending domains, authentication guidance, and deliverability support so campaigns, alerts, and transactional email keep moving.

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Fast setup SMTP credentials and DNS guidance ready for launch.
Dedicated IPs Own sender reputation as your sending volume grows.
Real support Technical help for warmup, routing, and deliverability.

Delivery Console

Live routing
Hourly capacity used 84%
126,400 emails
Transactional streamPassword resets, invoices, OTP email Healthy
Campaign streamWarmup protected with throttling Queued
AuthenticationSPF, DKIM, DMARC aligned Verified

Email infrastructure gets expensive when your team has to babysit it.

Scaling email is more than a server and a port. You need queue control, sender authentication, reputation protection, bounce visibility, and a team that understands delivery patterns.

Queues slow down during volume spikes

SMTPMaster helps you plan throughput and separate sending streams before campaign days become delivery bottlenecks.

Sender reputation needs active protection

Dedicated IPs, domain separation, and warmup guidance give you a cleaner path to stable deliverability.

Support should understand SMTP, not just tickets

Get technical guidance for DNS records, authentication, IP allocation, and sending behavior when you need it.

Everything your SMTP stack needs to send cleaner, faster, and with less manual work.

Use SMTPMaster for transactional email, product notifications, lifecycle campaigns, cold outreach, newsletters, and high-volume operational messages.

Managed SMTP relay

Connect your app, CRM, or campaign tool with standard SMTP credentials and send through infrastructure built for volume.

Authentication guidance

Configure SPF, DKIM, DMARC, return-path alignment, and sending domains with practical help from setup to launch.

Throughput planning

Match your plan to expected hourly and monthly volume so you are not guessing capacity during launches.

Dedicated IP options

Add IPs for reputation ownership, campaign separation, or volume expansion as your sending program matures.

Stream separation

Keep transactional, marketing, and outreach traffic organized with separate domains and routing practices.

Less maintenance

Stop patching mail servers, tuning queues, and investigating infrastructure issues that pull engineers away from product work.

From signup to sending in a simple, technical workflow.

Bring your domain, connect your sending tool, verify authentication, and begin with a controlled warmup plan.

Choose capacity

Select a plan around expected volume, number of domains, dedicated IP needs, and campaign frequency.

Verify domains

Add DNS records for SPF, DKIM, DMARC, and tracking alignment with step-by-step technical guidance.

Connect tools

Use SMTP credentials in your app, CRM, ecommerce system, or marketing platform without custom integration work.

Scale carefully

Increase traffic with warmup pacing, monitored sending behavior, and practical deliverability recommendations.

Built for teams that care about inbox placement, queue speed, and reputation.

A better SMTP setup makes sending predictable. SMTPMaster helps you separate traffic, authenticate correctly, and scale with a plan your team can understand.

  • Use dedicated IPs for higher-volume programs and cleaner sender ownership.
  • Separate important transactional email from bulk campaigns and outreach sends.
  • Get support for DNS, authentication, warmup, throttling, and delivery troubleshooting.
  • Keep infrastructure costs tied to real sending requirements instead of unused capacity.

Delivery readiness

Domain authenticationVerified
IP warmup72%
Queue capacity84%
Reputation monitoringActive

One SMTP provider for the email your business depends on.

Apps and SaaS

Transactional email

Send password resets, login codes, billing emails, product notifications, and system alerts through a stable SMTP relay.

Growth teams

Campaign sending

Support newsletters, lifecycle campaigns, onboarding drips, and reactivation email with planned throughput.

Sales teams

Outreach programs

Run domain-separated outreach with dedicated infrastructure, warmup guidance, and practical deliverability support.

Choose the perfect plan to power your email delivery.

High deliverability, reliable SMTP infrastructure, and expert support with three focused monthly options from SMTPMaster pricing.

Free Forever

Perfect for start sending emails

$0

300 Email Credits Daily

Start sending emails with reliable SMTP infrastructure and better deliverability.

  • SMTP Credentials
  • Email Sending API
  • Web-Based Email Sending Application
  • Limited Sending Domains
  • 9,000 Email Credits per Month
  • No Credit Card Required
  • Standard Email Support
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Silver 1

Power faster growth

$14 /month

20,000 Email Credits

Built for agencies, ecommerce stores, and growing brands.

  • SMTP Credentials
  • Email Sending API
  • Web-Based Email Sending Application
  • Detailed Email Logs & Tracking
  • SPF, DKIM & DMARC Setup
  • Dedicated Support
  • Shared IP
  • Branding-Free Emails
Start Sending Emails
Prime 1

High-performance infrastructure

$105 /month

300,000 Email Credits

Dedicated infrastructure for better delivery performance.

  • SMTP Credentials
  • Email Sending API
  • Web-Based Email Sending Application
  • Delivery Optimization
  • Real-Time Email Logs & Tracking
  • SPF, DKIM & DMARC Setup
  • Priority Support
  • Dedicated IP
  • Branding-Free Emails
Start Sending Emails
SMTP Credentials Email Sending API Web-Based Sending App SPF, DKIM and DMARC Setup Logs and Tracking
See All Pricing Plans → Create Account

Ready to move your email onto managed SMTP infrastructure?

Start with SMTPMaster, connect your sending tool, verify your domain, and build a cleaner path for high-volume delivery.

Start Sending → View Pricing