AI · alternatives · 2026

24 alternatives to mailX by mailwarm

Email deliverability toolkit for humans and AI agents

mailX by mailwarm is an email deliverability toolkit designed for both humans and AI agents. It diagnoses why emails end up in spam folders and provides clear, actionable steps to fix problems quickly. The tool offers… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Mailwarm 2.0▲676
The email warmup tool, upgraded for deliverability.
Jun 2026 · mailwarm.com · its alternatives →
2
MailAdept by mailwarm▲287
AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com · its alternatives →
3
Mail Tester▲309
Test the spamminess of your email
2016 · mail-tester.com · its alternatives →
4
MailTester.AI▲327
Forward an email and get an AI deliverability report in 30s
2025 · mailtester.ai · its alternatives →
5
Unspam AI▲385
See how your subscribers read your emails with our AI inbox
2024 · unspam.email · its alternatives →
6
Warmy.io▲417
Boost your email deliverability with an AI driven algorithm
2024 · warmy.io · its alternatives →
7
Mailivery▲251
Reach the inbox, not the spam folder
2021 · mailivery.io · its alternatives →
8
Mailook▲309
Identify & fix your email deliverability issues for free
2021 · mailook.ai · its alternatives →
9
You've Got Spam▲305
A new tool that lets you spam back the spammer
2020 · youvegotspam.mschfmag.com · its alternatives →
10
Folderly▲747
Get revenue from every email campaign - 99.9% inbox rate
2023 · folderly.com · its alternatives →
11
MailerLogic▲96
Email API with built-in deliverability intelligence
Apr 2026 · mailerlogic.com · its alternatives →
12
Atomic Mail Agentic▲268
Let your agents read, send, and react to email autonomously
Jun 2026 · atomicmail.ai · its alternatives →
13
Unspam.email▲299
Email spam checker and newsletter heatmap prediction.
2020 · unspam.email · its alternatives →
14
Slashy▲474
The AI assistant that does email for you
Jun 2026 · slashy.com · its alternatives →
15
Warmy.io▲194
Auto all-in-one tool to make your email channel reliable
2022 · warmy.io · its alternatives →
16
Deliveryman.ai▲186
Cold email infrastructure on autopilot without Gsuite
Jun 2026 · deliveryman.ai · its alternatives →
17
Mailwave AI▲94
The best AI email marketing tool
2023 · its alternatives →
18
SendX 2.0▲277
Growth tools & marketing automation for non-marketers
2017 · sendx.io · its alternatives →
19
Bot Butcher▲106
API for classifying contact form spam
2023 · botbutcher.com · its alternatives →
20
Lavender▲233
A complete AI toolkit for amazing 1:1 emails in your inbox.
2020 · lavender.ai · its alternatives →
21
AgentMail▲275
Email Inboxes for AI Agents
Apr 2026 · agentmail.to · its alternatives →
22
Spam Checker by Mailmeteor▲88
Detect and remove spam words in your emails
2022 · mailmeteor.com · its alternatives →
23MM
Mailready – meet the new email deliverability standards▲82
2024 · mailready.info · its alternatives →
24
Sendster AI▲96
AI enabled newsletter software for Amazon SES, SMTPs
2023 · getsendster.in · 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 →