Email spam test alternatives

Tools that do what Email spam test does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Email spam test.

Read 2026-11-02

With a free plan or free to use: GlockApps, DMARKOFF, SenderSignal, Cobytes, MailTester, MX Verdict, mailX by mailwarm.

10 alternativesUnlike Email spam test

#1
GlockApps Marketing MCP · sign-in
Tests where your emails land in Gmail, Outlook and Yahoo inboxes versus spam folders, and checks SPF, DKIM, DMARC and blocklist status.
Also: Monitoring, SecurityMore widely used
8.7k
Active
From $59/mo
#2
DomainRef Analytics MCP · open
Runs a one-report check of a domain's email authentication, DNS signing, certificate and blocklist status, with the fix for each failure.
Also: Security
From $0.01 per use
#3
DMARKOFF Analytics MCP · sign-in
Monitors DMARC reports for sending domains, flagging unusual sender activity and generating step-by-step SPF, DKIM and DMARC fixes.
Also: Security, MonitoringMore widely used
91
Active
From $8.33/mo
#4
SenderSignal Developer tools
Provisions a dedicated sending server, writes SPF, DKIM and DMARC records into your DNS, then ramps volume while monitoring blacklists and inbox placement.
Also: MonitoringMore widely used
67
Active
From $49/mo
#5
Wolfram Analytics MCP · open
Provides computational tools for technical computing, data analysis, and symbolic mathematics.
More widely used
9.7M
Active
From $995/yr
1987
#6
Cobytes Security MCP · open
Scans a domain's DNS, email authentication and web security records, reporting failing checks with readable fix guidance.
Also: SecurityMore widely used
97
Active
Free
2024
#7
PowerDMARC Security
Monitors and configures DMARC, SPF, DKIM, BIMI and MTA-STS for email domains, parsing DMARC reports to show who sends mail as the domain.
More widely used
65.2k
#8
MailTester Marketing MCP · open
Checks email addresses for syntax, mailbox response and disposable domains, and sends test campaigns to seed inboxes to show inbox or spam placement.
Also: MonitoringMore widely used
3.8k
Active
From $39/mo
2000
#9
MX Verdict Developer tools MCP · open
Sends a test email to its servers and reports SPF, DKIM and DMARC results, blocklist hits and a spam score.
More widely used
1
Active
#10
mailX by mailwarm MCP · open
Analyzes DNS records, email authentication, and deliverability issues to diagnose why emails land in spam.
Also: Analytics, ComplianceMore widely used
546
Active
Free

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How this list is made: the words Email spam test is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.