Alternatives

Products that do what Hotmark does

Create honeypots & protect your e-mail lists

1
Unspam.email▲309
Email spam checker and newsletter heatmap prediction.
2020
2
lockrMail▲195
Own the power to organize and protect your email inbox
2021
3
Warmup Inbox▲204
Free email spam checker & inbox placement tester
2023
4
Mailwarm▲353
The email warm-up tool.
2020
5
Burner Mail▲310
Stop giving away your personal information
2018
6LF
Listmonk – Fast self-hosted newsletter and mailing list manager▲343
2019 · github.com
7
Listmonk▲322
Self-hosted newsletter and mailing list manager
2019
8
Protect IID▲251
Protect your privacy with single-use email addresses
2019
9
AnonAddy▲132
Open-source anonymous email forwarding. Stop spam.
2019
10
Lightfern for Email▲160
The telepathic AI writing tool
Feb 2026
11
You've Got Spam▲309
A new tool that lets you spam back the spammer
2020
12
Revealer by Etools▲252
Uncover email addresses behind any domain
2017
13
Warmup Your Email▲153
Always land in Inbox by establishing sender reputation
2021
14
Firefox Relay▲252
Hide your real email address to help protect your identity.
2021
15
F5Bot▲163
Get emailed when your brand is mentioned on Reddit or HN
2018
16
Vetter▲134
Test if your emails will be spammed, using real accounts.
2020
17
Email List Cleaner by MailSwift▲123
Clean email lists right in your browser for free
2018
18
Scary Senders▲123
Detect spooky spy pixels in your emails
2021
19
Mailist▲95
Receive weekly reminders of unread, bookmarked articles
2018
20
Bloombeaver▲165
Your friendly lead management platform
2024
21
MailSnitch▲156
Tag your emails to see who’s selling it
2025
22
BEE Free▲270
Free editor to build responsive design emails. Embeddable.
2014
23
Deliveryman.ai▲186
Cold email infrastructure on autopilot without Gsuite
Jun 2026
24
Transactional Email Templates by Postmark▲210
Open source email templates for use in your SaaS app.
2018

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