
UptimeRobot
Pingdom
HetrixTools
EasyDMARC
dmarcian
StatusCake
Uptime Kuma
All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

SendGrid Email API
Mailgun
MailChimp
SMTP2GO
SMTP
Postmark
Amazon SES
Transactional email with delivery receipts: API + SMTP, DKIM, webhooks, open/click tracking.

Which is more popular?
Based on our record, MxToolBox seems to be more popular. It has been mentioned 201 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mxtoolbox.com | sendporter.com |
| Pricing | — | |
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What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
MxToolBox is highly recommended for IT professionals, network administrators, email server administrators, and anyone responsible for maintaining the health and security of network systems. It is also beneficial for businesses of all sizes that rely on email communication and need to ensure their servers and domains are functioning correctly and not blacklisted.
No analysis of SendPorter yet.
Walkthroughs and reviews on video.
Episode 201 - Tools, Tips and Tricks - MXToolbox.com
No SendPorter videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using MxToolBox and SendPorter. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Did you do blacklist (and other) checks with https://mxtoolbox.com/ ? - Source: Hacker News / 7 days ago
Made the switch to self-hosted https://mailu.io (on k8s) 2 years ago when Gandi announced the deprecation of their free plan. Happy after IP was off most blocklists, but setup was kinda rough - https://mxtoolbox.com is your friend. - Source: Hacker News / over 1 year ago
I used these tools in the past: https://mxtoolbox.com/ https://www.mail-tester.com/. - Source: Hacker News / over 2 years ago
Tracking SendPorter since Oct 2026.
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