Growth · alternatives · 2026

24 alternatives to Folderly Lens

Domain health analysis for high performance email campaigns

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Folderly▲747
Get revenue from every email campaign - 99.9% inbox rate
2023 · folderly.com · its alternatives →
2
Proofy▲181
Quickly validate and verify your email lists.
2016 · proofy.io · its alternatives →
3
DMARC Digests▲101
Protect your brand from email scammers.
2020 · dmarcdigests.com · its alternatives →
4
Proofy 2.0▲199
A bulk email verification service
2019 · proofy.io · its alternatives →
5
MailerCheck 2.0▲145
All-in-one email deliverability platform for businesses
2023 · mailercheck.com · its alternatives →
6
BounceHunter▲72
Real-time email verification and email cleaning services
2021 · bouncehunter.com · its alternatives →
7
DMARC Checker▲70
Verify your DMARC, DKIM, and SPF settings with our free checker. Prevent bad actors from impersonating your domain and improve email deliverability.
2024 · dmarcchecker.app · its alternatives →
8
Mailhardener▲66
Monitor and prevent email fraud
2019 · mailhardener.com · its alternatives →
9
Scrubby▲42
Complete risky email validation tool with 98% accuracy
2025 · scrubby.io · its alternatives →
10
MailMedic ‑ Email Health▲1
Scan your domain's SPF, DKIM and DMARC in seconds
Sep 2026 · apps.shopify.com · its alternatives →
11
Mailsurity▲1
Catch the fake Emails your blocklist lets through.
Jul 2026 · mailsurity.com · its alternatives →
12
Email Deliverability Toolkit▲9
9 free tools to keep your email out of spam
Aug 2026 · truelist.io · its alternatives →
13
ListLens.io▲3
List Analysis tool that catches hidden risks before you send
May 2026 · listlens.io · its alternatives →
14
Domain Scan Tools▲5
Detect domain security issues before they hurt your business
May 2026 · domainscan.tools · its alternatives →
15
MailTested▲7
Check why your emails go to spam — instantly.
Nov 2025 · mailtested.com · its alternatives →
16
Email Validator by Sidemail▲16
Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
Feb 2026 · sidemail.io · its alternatives →
17
WebSafely▲3
Fast scam-site detection & domain intelligence
Feb 2026 · websafely.app · its alternatives →
18
Email Inspect▲9
Free dmarc, spf & dkim analyzer tools
Nov 2025 · emailinspect.com · its alternatives →
19
Infraova▲7
Monitor and secure your email domains, campaigns, and client
Jul 2026 · infraova.com · its alternatives →
20
eDMARC▲12
Simplify investigation of every email failure
Mar 2026 · ivorysec.com · its alternatives →
21
OutboundQA▲6
Catch cold email launch blockers before you send
Jun 2026 · outboundqa.com · its alternatives →
22
MailFlow Analyser▲1
Email infrastructure health check
2025 · its alternatives →
23
Email Deliverability API & Checker▲2
Instantly audit SPF, DKIM & DMARC to stop landing in spam.
Aug 2026 · web-production-80c77.up.railway.app · its alternatives →
24
Viable.Email▲2
Email delivery on point. Blacklist & config email check
2020 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →