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pricing

Starting at
$19.99/m
SMTP 50k
  • up to 2000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support
Starting at
$49.99/m
SMTP 100k
  • up to 5000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support
Starting at
$99.99/m
SMTP 200k
  • up to 10000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support
Starting at
$249.99/m
SMTP 500k
  • up to 25000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support

Starting at
$399.99/m
SMTP 1M
  • up to 50000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support
Starting at
$649.99/m
SMTP 2M
  • up to 100000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support
Starting at
$1299.99/m
SMTP 5M
  • up to 500000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support
Starting at
$1999.99/m
SMTP 10M
  • up to 1000000 emails/day
  • SMTP Relay & REST APIs
  • Properly Authenticated DNS
  • Delivery Optimization Tools
  • Inbox Delivery Guaranteed
  • Multiple IPs Rotation
  • 30 Days Logs Retention
  • 24x7 Dedicated Support

use Cases

Notifications

Enhance user engagement by syncing follow-up emails with notifications from your app.

Email Registerations

Boost sign-up rates by minimizing confirmation delays and enhancing onboarding efficiency.

Authenticated Domains

Maintain user security with timely delivery of authentication emails directly to their inboxes.

Order Confirmations

Enhance brand trust and credibility by promptly sending order and billing information.

Status Updates

Re-engage users by providing timely updates on their account and product interactions.

Announcements

Guarantee that essential updates on policy changes reach your users effectively.

Outstanding Email Delivery Rates

As the premier experts in email delivery solutions, OpenPort25 LLC invites you to experience the unmatched reliability and effectiveness of our SMTP services. We pride ourselves on our ability to meet the communication needs of diverse businesses, from emerging startups to large enterprises. Our clients, having tested other options, often return to us, reassured by our superior performance and robust support system. As partners in your communication strategy, we ensure our SMTP solutions not only meet but exceed your operational demands, making OpenPort25 LLC the trusted choice for those who prioritize quality in their email delivery systems.

Tailored Solutions for High-Volume Senders

We understand that our high-volume clients have distinct and demanding email delivery needs. To address this, we offer a flexible and scalable SMTP solution that effortlessly adapts to your evolving requirements. Whether your business experiences seasonal peaks, marketing campaign surges, or steady growth, our services are designed to scale dynamically, ensuring you can send large volumes of emails efficiently and without interruption. This adaptability is central to our commitment to providing a service that not only meets but anticipates the complex demands of high-volume senders.

Proactive IP Reputation Management

We prioritize the integrity and effectiveness of your email communications. Our service is meticulously designed to maintain the health of your email list and safeguard the reputation of your domain and IP address. We proactively address potential deliverability issues by automatically filtering out invalid email addresses before any messages are sent. This preventative approach not only enhances the reliability of your email campaigns but also preserves your sender reputation, ensuring your emails reach their intended recipients without delay or disruption. Our commitment to proactive protection and maintenance positions us as a trusted partner in managing your email infrastructure.

testimonials

We experienced significant enhancements in our email deliverability after switching to your SMTP services. Our email marketing efforts expanded dramatically, going from less than 1 million to over 5 million emails monthly, all while maintaining a stellar sender reputation.

Tim Driver, Retirement Jobs

The customer service experience has been incredibly positive! Having been a loyal customer for several years, I was thoroughly impressed by the prompt and efficient support received today through both online chat and phone. It was both reassuring and delightful!

Cynthia Cross, Hagen/Sinclair Research

The service is quick, courteous, and effective. The team is always ready to assist us, tackling any challenges and boosting our performance. Their expertise has been crucial in enhancing our email deliverability, ensuring our communications consistently reach our audience's inboxes.

Leslie Stubblefield, Insurance Media Services

locations