Alternatives

Products that do what Monitoring and automation for email servers, starting with Postfix does

1
mailX by mailwarm▲602
Email deliverability toolkit for humans and AI agents
May 2026 · themailx.com
2
Upstream▲977
The inbox designed for humans and agents
Jun 2026 · upstream.do
3
Mailwarm 2.0▲683
The email warmup tool, upgraded for deliverability.
Jun 2026 · mailwarm.com
4
MailAdept by mailwarm▲287
AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com
5
MailTester.AI▲328
Forward an email and get an AI deliverability report in 30s
Oct 2025
6
Unspam AI▲385
See how your subscribers read your emails with our AI inbox
2024
7
Mailforge▲627
Cold email infrastructure sorted in minutes
2024 · mailforge.ai
8
Mailercloud▲257
Automate, optimize, convert, next level email automation
2024
9
CXassist▲136
Put your inbox on autopilot with AI
2023
10
SendGrid Email Analytics by Keen IO▲201
Detailed email reporting that drives results
2017
11
Unspam.email▲309
Email spam checker and newsletter heatmap prediction.
2020
12
MailerLogic▲96
Email API with built-in deliverability intelligence
Apr 2026 · mailerlogic.com
13
Mailfox▲172
Never let a missed email cost you money again
2024
14
Email Flows▲355
50+ readymade frameworks for automating email flows
2022
15
[Sending]flow▲191
All-in-one Webflow email autoresponder
2024
16
Email Parser▲147
Extract data from incoming emails and automate your workflow
2018
17
Mailparser.io 2.0▲298
Extract data from emails. Automate your workflow.
2016
18
Marketing Automation by Freshworks▲123
Smart marketing automation software for fast-paced teams
2019
19
SalesHandy 2.0▲92
Email and document tracking with automation
2018
20
Warmy.io▲194
Auto all-in-one tool to make your email channel reliable
2022
21
SendFox▲199
Affordable and simple email marketing for content creators.
2019
22
Deliveryman.ai▲186
Cold email infrastructure on autopilot without Gsuite
Jun 2026 · deliveryman.ai
23
Email Audit Engine▲221
Email marketing audit and reporting toolbox
2025
24
Email Spam Checker by Autoklose▲105
Send spam-free, high-converting emails
2020

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