SMTP.com

SMTP.com

Ziff Davis
Unitpost

Unitpost

Work Reactor Inc.
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About

Reliable SMTP relay and email delivery services. Powerful email delivery services that enable you to send and track high volume emails effortlessly. Integrate and start sending in minutes. All your transactional, email relay and email delivery needs under one roof. Whether you need a low-latency email delivery provider for your transactional emails, scalable infrastructure for high-volume sends or reliable backend solution for your marketing campaigns, SMTP is built to deliver. Reputation Defender is SMTP’s proprietary technology that uses big data to proactively monitor your email list health and safeguard your domain and IP reputation among ISPs by suppressing bad emails in your sends from hard and soft bounces. This ensures your delivery rates and inbox placement incrementally gets better over time.

About

Unitpost is an end-to-end customer communications platform. You describe the workflow you want (a welcome series, shipping updates, a win-back campaign, etc.) and Unitpost builds it for you: ready to run across email, text, and WhatsApp. Today we support transactional + marketing email with a hybrid template system (visual + code), contacts, segments, campaigns and automations. The foundation is built horizontally from day one: one contact model, one event system, one pricing model (shared sending balance), and every action works the same way in the UI, via API, and through our agent (Ask Unit). We are not building another email tool. We are building the messaging layer that replaces the pile of tools teams currently stitch together and can be prompted for result, not manually built.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Companies that want to send high volumes of emails and improve deliverability

Audience

Startups, Enterprises, Small Businesses, Developers, Marketers, Founders

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$25 per month
$25 for 50,000 emails / mo
$80 for 100,000 emails / mo
$300 for 500,000 emails / mo
$500 for 1,000,000 emails / mo

24hr support with all plans!
Free Version
Free Trial

Pricing

$10/month
Free Version
Free Trial

Reviews/Ratings

Overall 1.0 / 5
ease 1.0 / 5
features 1.0 / 5
design 1.0 / 5
support 1.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • None, the product worked to begin with but when it stopped working the support was dreadful and they locked us in.
  • N/A.

Cons

  • The smtp service itself has intermittent failures that are reluctantly admitted after battering down the support door several times to find out why sites aren't sending emails. Worse still they have a plugin that was heartily sold to me as the Wordpress plugin when I started with them - this was supported gingerly at first, then, it still being on version 1 was entirely disowned by them - despite the plugin having all their branding and their site details and being published and distributed on the Wordpress platforms ... by them. They simply deny it now, having pushed me towards it and supporting it initially.
  • Bad SMTP. Bad dashboard. Bad support. Bad price. Bad advantages. Bad everything.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Ziff Davis
Founded: 1995
United States
www.smtp.com

Company Information

Work Reactor Inc.
Founded: 2022
United States
www.unitpost.com

Alternatives

Alternatives

BlueFox Email

BlueFox Email

Innovaris Group
Mailjet

Mailjet

Sinch

Categories

Categories

Transactional Email Features

A/B Testing
Contact Database
Dynamic Content
Email Monitoring
Mailing List Management
Reporting/Analytics
Spam Check
Template Management

Email Deliverability Features

Deliverability Alerts
Deliverability Reporting
DMARC Analytics
Email Address Verification
Email Content Testing
Email Previewing
Inbox Placement Testing
IP Blacklist Monitoring
Reputation Reporting

Email Verification Features

Bulk Email Verification
Catch-all Server Detection
Disposable Email Detection
Domain Check
Mail Server Validation
Single Email Verification
Spam Trap Detection
Syntax Check

Integrations

Airtable
Axis LMS
Claude
Crelate
Cursor
DeliverySuite
Gammadyne Mailer
Gmail
Google Calendar
Google Docs
Google Forms
IntelliClick
MaxBulk Mailer
Model Context Protocol (MCP)
Montra
Shopify
Slack
Trello
WordPress
Wufoo

Integrations

Airtable
Axis LMS
Claude
Crelate
Cursor
DeliverySuite
Gammadyne Mailer
Gmail
Google Calendar
Google Docs
Google Forms
IntelliClick
MaxBulk Mailer
Model Context Protocol (MCP)
Montra
Shopify
Slack
Trello
WordPress
Wufoo
Claim SMTP.com and update features and information
Claim SMTP.com and update features and information
Claim Unitpost and update features and information
Claim Unitpost and update features and information