MxToolbox
MxToolbox provides a comprehensive suite of diagnostic tools and monitoring services to help you maintain healthy email delivery and resolve complex DNS or server configuration issues quickly.
Spark Mail
Spark is an intelligent email client designed to help you focus on important messages through automated prioritization, collaborative team tools, and integrated AI writing assistance for faster communication.
Quick Comparison
| Feature | MxToolbox | Spark Mail |
|---|---|---|
| Website | mxtoolbox.com | sparkmailapp.com |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✓ 30 days free trial | ✓ 7 days free trial |
| Free Plan | ✓ Has free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✘ No product demo |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2004 | 2015 |
| Headquarters | Austin, USA | Odessa, Ukraine |
Overview
MxToolbox
MxToolbox is your go-to platform for diagnosing and monitoring email delivery and infrastructure health. You can perform instant lookups for MX records, DNS configurations, and blacklist status to identify why your emails might be landing in spam folders. It simplifies the technical complexity of email protocols like SPF, DKIM, and DMARC by providing clear, actionable reports that show you exactly what needs fixing.
You can also set up automated monitoring to get alerted the moment your domain appears on a blacklist or if your mail server goes offline. This proactive approach helps you protect your brand reputation and ensures your critical communications always reach their destination. Whether you are an IT professional managing multiple domains or a small business owner troubleshooting a single mail server, the platform provides the visibility you need to keep your email systems running smoothly.
Spark Mail
Spark is an intelligent email client that helps you reclaim your inbox by automatically prioritizing important messages. Instead of wading through newsletters and notifications, you see emails from real people first. You can manage multiple accounts from different providers in one unified space, using a Smart Inbox that categorizes incoming mail so you can focus on what matters most.
You can collaborate with your team by drafting emails together in real-time or discussing specific threads in private side-chats. The platform includes a built-in AI assistant to help you draft, rephrase, and proofread replies instantly. Whether you are an individual looking for a cleaner inbox or a team needing better coordination, Spark provides the tools to handle high email volumes without the usual stress.
Overview
MxToolbox Features
- Blacklist Monitoring Check your IP or domain against over 100 blacklists and receive instant alerts if you are ever listed.
- DNS Lookups Perform comprehensive lookups for MX, A, and TXT records to verify your server is configured correctly.
- DMARC Reporting Analyze your DMARC data to see who is sending email on your behalf and block unauthorized spoofing attempts.
- Mail Server Diagnostics Test your mail server's SMTP connection to identify performance bottlenecks or security vulnerabilities in your setup.
- SPF & DKIM Validation Verify your email authentication records are valid so major providers like Google and Outlook trust your messages.
- Domain Health Reports Run a single check to see a complete overview of your domain's technical health and security status.
Spark Mail Features
- Smart Inbox. Automatically categorize your emails into Personal, Notifications, and Newsletters so you can see important messages from real people first.
- Spark AI Assistant. Draft professional replies in seconds, summarize long email threads, and adjust the tone of your writing with integrated artificial intelligence.
- Gatekeeper. Screen new senders before they reach your inbox and block unwanted emails with a single click to keep your workspace clean.
- Team Shared Drafts. Invite teammates to compose emails with you in real-time, allowing for seamless collaboration on important client communications and announcements.
- Priority Email. Mark specific contacts as high priority to ensure their messages always stay at the top of your list for immediate attention.
- Home Screen. Reduce digital distractions with a dedicated home screen that shows your schedule and priority tasks before you dive into your inbox.
Pricing Comparison
MxToolbox Pricing
- Unlimited manual lookups
- 1 Blacklist monitor
- Weekly health reports
- Basic DNS diagnostics
- Community support access
- Everything in Free, plus:
- DMARC aggregate reporting
- Fraud and spoofing alerts
- Advanced blacklist monitoring
- Configuration change alerts
- Email delivery trend analysis
Spark Mail Pricing
- Smart Inbox
- Smart Search
- 5GB total storage
- Cross-device sync
- Standard Spark AI (limited)
- Everything in Free, plus:
- Full Spark AI Assistant
- Gatekeeper & Block Sender
- Priority Email status
- Shared Drafts for teams
- 50GB storage per user
Pros & Cons
MxToolbox
Pros
- Fast and reliable DNS lookup results
- Comprehensive coverage of global email blacklists
- Easy to understand DMARC report visualizations
- Generous free tier for basic troubleshooting
- Proactive alerts prevent long-term delivery issues
Cons
- Interface feels dated compared to modern tools
- Steep pricing jump for professional tiers
- Learning curve for interpreting technical DNS data
Spark Mail
Pros
- Smart Inbox effectively filters out junk and newsletters
- Unified inbox handles multiple providers with ease
- Modern and intuitive interface requires no training
- Real-time collaborative drafting is excellent for teams
Cons
- Subscription model required for advanced AI features
- Occasional sync delays across different device types
- Limited customization options for folder structures