Alternatives · Deliverability
MxToolbox alternatives
As of Nov 13, 2026, the best MxToolbox alternative for most people is GlockApps (2.2 GPA), third in our ranking of email verification and deliverability tools. The best free one is Mail-Tester (2.8 GPA). The catch, in its listing's words: "Free web interface: 3 tests per 24 hours, results kept for 7 days."
MxToolbox compared with 6 alternatives: GlockApps, dmarcian, EasyDMARC, PowerDMARC, Dmarcly and 1 more.
MxToolbox has a free plan. Paid plans start at $129 per month. 3 of the 6 alternatives are free or have a free plan. 2 more offer a free trial.
Listings checked up to Nov 12, 2026 · Where the facts come from
Black Friday: is there a MxToolbox sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| MxToolboxThis tool | Free plan · from $129/mo | Yes | Web |
| GlockApps | Free plan · from $59/mo | Yes | Web |
| dmarcian | Free plan · from $19.99/mo | Yes | Web |
| EasyDMARC | Free trial · from $35.99/mo | Trial only | Web |
| PowerDMARC | Paid | No | Web |
| Dmarcly | Free trial · from $17.99/mo | Trial only | Web |
| Mail-Tester | Free plan · from $10/mo | Yes | Web |
Price against what you get
MxToolbox starts at $129 a month and scores 2.3 out of 4 on features, ease of use and platforms. 1 of the 5 alternatives on this chart scores higher and starts lower: Mail-Tester.
GlockApps, dmarcian, EasyDMARC and Dmarcly start lower without scoring higher.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from MxToolbox
GlockApps
Inbox placement testing with DMARC analytics and uptime monitoring
- GlockApps starts at $59 per month, billed annually ($85 monthly).
- GlockApps does not cover reports, which MxToolbox does.
Suits: Senders who want to see where a campaign lands before it goes out
dmarcian
DMARC report processing and policy deployment, by a spec co-author
- dmarcian starts at $19.99 per month, billed yearly ($24 monthly).
- dmarcian does not cover reports, which MxToolbox does.
Suits: Organizations taking several sending domains to a reject policy
EasyDMARC
DMARC setup, reporting and managed SPF, DKIM and BIMI records
- EasyDMARC starts at $35.99 per month for 100,000 emails, billed annually ($44.99 monthly).
- EasyDMARC has no free plan, only a free trial, unlike MxToolbox.
- EasyDMARC does not cover reports, which MxToolbox does.
Suits: Companies moving a domain to an enforced DMARC policy
PowerDMARC
DMARC reporting with hosted SPF, DKIM, BIMI and MTA-STS records
- PowerDMARC has no free plan, unlike MxToolbox.
- PowerDMARC does not cover reports, which MxToolbox does.
Suits: MSPs managing DMARC for many client domains
Dmarcly
DMARC monitoring with a dashboard, SPF flattening and alerts
- Dmarcly starts at $17.99 per month.
- Dmarcly has no free plan, only a free trial, unlike MxToolbox.
Suits: Small businesses watching a handful of domains on a low monthly price
Mail-Tester
Send an email to a test address and get a spam score out of 10
- Mail-Tester starts at $10 per month for 50 tests; or $5 once for 10 tests.
- Mail-Tester does not cover dMARC, which MxToolbox does.
Suits: Checking one newsletter or sending setup before a send
Limits worth knowing in MxToolbox
- The free plan monitors one domain, weekly; inbox placement and DMARC reports are paid.
- Both paid plans cover 5 domains; Plus raises the message volume, not the domain count.
- The page shows a monthly price and does not say whether it is billed monthly or annually.
- Managed services pricing is not listed.
Common questions
What are the alternatives to MxToolbox?
The alternatives to MxToolbox in this directory are GlockApps, dmarcian, EasyDMARC, PowerDMARC, Dmarcly and Mail-Tester. Each one has a side-by-side comparison with MxToolbox.
Is there a free alternative to MxToolbox?
Yes. GlockApps, dmarcian and Mail-Tester have a free plan alongside paid ones.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.