Growth · alternatives · 2026

24 alternatives to Mailivery

Reach the inbox, not the spam folder

Mailivery helps sales teams improve email deliverability by testing whether sales emails reach the inbox or spam folder. The service generates AI emails, places them in test inboxes, removes them from spam, marks them… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mailivery launched in 2021; newer entries below may have overtaken it.

1
Folderly▲747
Get revenue from every email campaign - 99.9% inbox rate
2023 · folderly.com · its alternatives →
2
MailTester.AI▲327
Forward an email and get an AI deliverability report in 30s
2025 · mailtester.ai · its alternatives →
3
mailX by mailwarm▲596
Email deliverability toolkit for humans and AI agents
May 2026 · themailx.com · its alternatives →
4
Mailgo▲469
AI-powered cold email platform that boosts deliverability
2025 · mailgo.ai · its alternatives →
5
Slashy▲474
The AI assistant that does email for you
Jun 2026 · slashy.com · its alternatives →
6
Mail Tester▲309
Test the spamminess of your email
2016 · mail-tester.com · its alternatives →
7
Folderly AI▲235
AI-generated emails that hit the inbox and get replies
2025 · generate.folderly.com · its alternatives →
8
Warmy.io▲417
Boost your email deliverability with an AI driven algorithm
2024 · warmy.io · its alternatives →
9
MailAdept by mailwarm▲287
AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com · its alternatives →
10
Mailwarm 2.0▲676
The email warmup tool, upgraded for deliverability.
Jun 2026 · mailwarm.com · its alternatives →
11
Hello Inbox▲283
Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.
Aug 2026 · helloinbox.email · its alternatives →
12
Salesforge▲664
Personalize every single email at any scale and any language
2023 · salesforge.ai · its alternatives →
13
Magic Sales Bot▲359
Write sales emails 10x faster with GPT-3
2021 · rpdoyle.com · its alternatives →
14
MailMoo▲292
AI personalized video for cold outreach that works
2025 · mailmoo.io · its alternatives →
15
Email Warm-Up Tool by Reply▲311
Make sure your emails land in the inbox, not spam
2021 · reply.io · its alternatives →
16
Forage Mail▲306
AI that solves email overwhelm. Not another mail app.
2025 · foragemail.com · its alternatives →
17
Warmbox▲383
Warm-up your inbox and never land in spam
2021 · warmbox.ai · its alternatives →
18
You've Got Spam▲305
A new tool that lets you spam back the spammer
2020 · youvegotspam.mschfmag.com · its alternatives →
19
AgentMail▲275
Email Inboxes for AI Agents
Apr 2026 · agentmail.to · its alternatives →
20
AI Sales Email Assistant by Reply▲342
Generate human-like emails and follow-ups with GPT-3
2021 · reply.io · its alternatives →
21
Email Testing By Inbox Pirates▲355
Preview, analyze & test emails with one click
2022 · inboxpirates.com · its alternatives →
22
Email Deliverability Booster▲385
Reach every lead, every time
2024 · snov.io · its alternatives →
23
Blastable▲167
Get More Emails Inboxed Using AI
2025 · blastable.com · its alternatives →
24
Outboundly.ai▲190
AI-powered cold outreach platform
2023 · outboundly.ai · 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 →