SMTP.com

SMTP.com

Ziff Davis
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About

EmailShield is an email verification and deliverability platform that guarantees 99.8% verified accuracy through real SMTP handshakes — not DNS-only lookups used by legacy tools. Multi-step verification includes syntax checks, MX record validation, and real-time mailbox existence confirmation without sending actual emails. Bulk processing handles up to 100,000 emails per minute. The platform runs on self-hosted proxy infrastructure with zero third-party dependencies and rotating egress IPs. Features include 24/7 blacklist monitoring across 100+ global blacklists, DMARC/SPF/DKIM monitoring with AI-based insights, AI data enrichment, and free full scan diagnostics. Single API endpoint with SDKs for Python, Node.js, and PHP. Pricing starts at $19/mo for 10,000 credits with pay-as-you-go from $0.00018 per email — up to 75% cheaper than ZeroBounce, MillionVerifier, and Hunter. SOC 2 Type II, GDPR, and ISO 27001 certified with EU data residency options. 40,000 free credits on sign-up.

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.

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

SMBs that run outreach, outbound and SDR teams, SaaS companies, Enterprises

Audience

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

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

No images available

Screenshots and Videos

Pricing

$19/month/10k credits
Free Version
Free Trial

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

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

Reviews/Ratings

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

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

EmailShield
United States
emailshield.co

Company Information

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

Alternatives

Alternatives

Categories

Categories

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

Transactional Email Features

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

Integrations

Airtable
Axis LMS
Crelate
DeliverySuite
Gammadyne Mailer
Gmail
Google Calendar
Google Docs
Google Forms
IntelliClick
MaxBulk Mailer
Montra
Shopify
Slack
Trello
WordPress
Wufoo

Integrations

Airtable
Axis LMS
Crelate
DeliverySuite
Gammadyne Mailer
Gmail
Google Calendar
Google Docs
Google Forms
IntelliClick
MaxBulk Mailer
Montra
Shopify
Slack
Trello
WordPress
Wufoo
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