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What is SMTP Debug Tool?

SMTP Debug is a complimentary and secure utility designed to help identify and resolve SMTP connectivity problems. By linking to your SMTP server, this tool starts a testing session and generates a comprehensive log that outlines the exchanges between servers. It streamlines the troubleshooting process, making it easier to fix sending issues across various platforms, including popular services such as SendGrid and Google SMTP. Your data remains confidential and secure, thanks to end-to-end encrypted communication. Additionally, the tool does not retain session logs or credentials, which further protects your information. For enhanced security, you have the option to change your password or utilize the SMTP Blackhole feature, adding another layer of protection to your email communications.

What is Mailrith?

Mailrith is an email marketing and automation platform for startups, creators, newsletter businesses, small companies, agencies, and growing teams. It helps users grow their audience through hosted forms, embedded forms, and landing pages. Subscribers can then be organized using tags, custom fields, and dynamic segments. Users can send Broadcasts, build automated Sequences, create visual Automations, manage reusable email templates, and use Magic Links to trigger actions when a Subscriber clicks a link. Mailrith works with Amazon SES, Postmark, SendGrid, Mailgun, Resend, Brevo, and custom SMTP servers, allowing users to choose their own email-sending provider and maintain greater control over costs and deliverability. It also includes team workspaces, permissions, APIs, webhooks, OAuth integrations, and TypeScript and Python SDKs, making it suitable for both standard email marketing and more advanced business workflows.

Media

No images available

Media

Integrations Supported

Mailgun
SendGrid
Amazon SES
Brevo
ChatGPT
Claude
Elastic Email
Postmark
Resend
UniOne
Zapier

Integrations Supported

Mailgun
SendGrid
Amazon SES
Brevo
ChatGPT
Claude
Elastic Email
Postmark
Resend
UniOne
Zapier

API Availability

Has API

API Availability

Has API

Pricing Information

$0
Free Version
Free Trial Offered?

Pricing Information

$29/month
Fixed Pricing (Pricing doesn't increase with number of subscribers or emails sent)

Available Plans:
1. Solo Plan - $29/month or $290/year
2. Pro Plan - $49/month or $490/year
3. Agency Plan - $149/month or $1490/year (Additional Workspaces available at $12/month/workspace)
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

SMTP Debug Tool

Date Founded

2019

Company Location

Cyprus

Company Website

smtpdebug.com

Company Facts

Organization Name

Mailrith

Date Founded

2026

Company Location

India

Company Website

mailrith.com

Categories and Features

Email Testing

A/B Testing
Accessibility Testing
DMARC Analytics
Deliverability Rates
HTML Validation
IP Blacklist Checking
Improvement Recommendations
Pre-Send Email Testing
Preview Across Browsers & Devices
Reporting / Analytics
Sender Reputation Scoring
Spam Testing

Categories and Features

Email Marketing

A/B Testing
Artificial Intelligence
Auto-Responders
CAN SPAM Compliance
Customer Surveys
Drip Campaigns
Dynamic Content
Event Triggered Email
Image Library
Landing Pages/Web Forms
Mailing List Management
Mobile Optimized Emails
Reporting/Analytics
Subscriber Management
Template Management
WYSIWYG Email Editor

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