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About SMTP

SMTP email relay service lets users send emails in minutes. This flexible and scalable email sending service has been built for businesses and developers. This all-in-one, email relay service, ensures that users can opt for an impeccable reputation among mailbox providers. Next, it comes along with dedicated servers and offers the highest rates in the industry, ensuring that the emails will reach out to the right recipients and that too on time. Lastly, the platform provides secured sending and supports all high in demand authentication standards, which includes SPF, DKIM, and the likes. Developers have designed this software for easy implementation, flexible integration, and powerful reporting and tracking processes. With the SMTP email relay service, it would not be an exaggeration to state that one can become a better sender and increase the returns on investments for email programs successfully. So, to take the email program to the next level, one needs to understand more on IP reputation management, accounting migration services, inbox placement consulting procedures, integration requirements, and the likes to perform the complete setup and begin working on the same.

Screenshots & Videos

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SW Score Breakdown The SW Score breakdown shows individual score for product features.Read More

  • Features The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read More
  • Reviews
  • Momentum
  • Popularity

Platforms Supported

  • Browser Based (Cloud)

Organization Types Supported

  • All (Small, Medium, Large)
  • Freelancers
  • Individuals

API Support

  • Available

Modes of Support

  • 24/7 (Live rep), Business Hours, Online

SMTP Features

Transactional Email Features

  • Features: The Feature Score % is calculated using the weighted average method, where core features hold more weight in the final calculation. Read More

Email Suppression

Stores the email addresses that are unsubscribed, bounced, blacklisted, etc

Custom Spam Filter

Allows you to block all inbound messages that have a spam score higher than the set threshold.

Custom Reverse DNS

Allows you to Whitelabel the dedicated IP address to the ISP

Email History

Provides historical data about the email sent for a particular time period

Automated IP Warmup

Automatically warmups the dedicated IP addresses by limiting the number of emails sent

Real-time Reporting

Allows users to check campaign real-time status as it happens

Email Personalization

Send emails with dynamic subject lines and personalized content to a different audience


Provides notifications about email delivery issues, deliveries, opens, clicks, unsubscribes etc


Provides SMTP relay for faster delivery

Predesigned Email Templates

Provides a library of templates to build an email

Template Management

Enables the user to create templates and modify and customise them later


A digital insight of reports and other workings on a single screen

Email Tag

Allows the user to tag a specific set of emails for better reporting

Custom Metadata

Assign customized identifiers to track and retrieve the instances for their entire lifecycle

Multi-factor Authentication

Uses more than one method to verify a user's identity for a login

A/B Testing

Compares two versions of your website to see which one performs better

SMTP Pricing

Free Trial

Not available

Pricing Options

Premium Plans ( Subscription / Quotation Based )

Pricing Plans

Screenshots of Vendor Pricing Page

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Disclaimer: The pricing details were last updated on 14/12/2021 from the vendor website and may be different from actual. Please confirm with the vendor website before purchasing.

Learn more about SMTP Pricing.

SMTP Alternatives

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SMTP Reviews

User Rating

2.8/5 (Based on 37 Ratings)

Ratings Distribution

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SMTP User Reviews

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What is SMTP used for?

SMTP is Transactional Email Software. SMTP offers the following functionalities:

  • Email Suppression
  • Custom Spam Filter
  • Custom Reverse DNS
  • Email History
  • Automated IP Warmup
  • Real-time Reporting
  • Email Personalization
  • Webhooks
  • SMTP
  • Predesigned Email Templates
  • Template Management
  • Dashboard

Learn more about SMTP features.

What are the top alternatives for SMTP?

Does SMTP provide API?

Yes, SMTP provides API.

SMTP Contact

Vendor Details

Ottawa, Canada Founded : 1998

Contact Details


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SMTP Integrations


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