Alternatives

Poastal alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Poastal

Poastal - the Email OSINT tool

54
Quality
75
Trust
598
Stars
#1

Mailinabox

Similarity 141Trust 98Excellent 100

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

15K starsMay 24, 2026 pushproductivity-automationPythonEmail
$ npx skills add mail-in-a-box/mailinabox
#2

App

Similarity 139Trust 94Excellent 100

The SimpleLogin back-end and web app

6.7K starsJun 12, 2026 pushproductivity-automationPythonEmail
$ npx skills add simple-login/app
#3

Python Email Validator

Similarity 136Trust 92Excellent 100

A robust email syntax and deliverability validation library for Python.

1.4K starsJun 14, 2026 pushproductivity-automationPythonEmail
$ npx skills add JoshData/python-email-validator
#4

Disposable

Similarity 136Trust 92Excellent 100

A list of disposable/temporary email address domains

1.4K starsMay 19, 2026 pushproductivity-automationPythonEmail
$ npx skills add disposable/disposable
#5

Socialscan

Similarity 136Trust 90Excellent 98

Python library for accurately querying username and email usage on online platforms

1.8K starsApr 27, 2026 pushproductivity-automationPythonEmail
$ npx skills add iojw/socialscan
#6

Mailrise

Similarity 132Trust 87Excellent 85

An SMTP gateway for Apprise notifications.

1.5K starsNov 24, 2025 pushproductivity-automationPythonEmail
$ npx skills add YoRyan/mailrise
#7

Sendgrid Python

Similarity 132Trust 86Excellent 85

The Official Twilio SendGrid Python API Library

1.6K starsSep 19, 2025 pushproductivity-automationPythonEmail
$ npx skills add sendgrid/sendgrid-python
#8

Flask Mail

Similarity 131Trust 86Excellent 85

Flask-Mail adds SMTP mail sending to your Flask applications

643 starsJun 10, 2026 pushproductivity-automationPythonEmail
$ npx skills add pallets-eco/flask-mail
#9

Alot

Similarity 130Trust 82Excellent 86

Terminal-based Mail User Agent

748 starsJun 10, 2026 pushproductivity-automationPythonEmail
$ npx skills add pazz/alot
#10

Maildrop

Similarity 130Trust 85Excellent 85

✉️ A simple self hostable email service

611 starsJun 9, 2026 pushproductivity-automationPythonEmail
$ npx skills add haileyydev/maildrop
#11

Disposable Email Domains

Similarity 130Trust 90Excellent 100

a list of disposable email domains

5.1K starsJun 16, 2026 pushproductivity-automationPythonEmail
$ npx skills add disposable-email-domains/disposable-email-domains
#12

Yagmail

Similarity 129Trust 93Excellent 100

Send email in Python conveniently for gmail using yagmail

2.7K starsMay 26, 2026 pushproductivity-automationPythonEmail
$ npx skills add kootenpv/yagmail
#13

Lieer

Similarity 128Trust 82Strong 74

Fast email-fetching, sending, and two-way tag synchronization between notmuch and GMail

642 starsApr 21, 2026 pushproductivity-automationPythonEmail
$ npx skills add gauteh/lieer
#14

Holehe

Similarity 127Trust 88Strong 83

holehe allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function.

11K starsSep 10, 2024 pushproductivity-automationPythonEmail
$ npx skills add megadose/holehe
#15

React Email

Similarity 127Trust 95Excellent 100

💌 Build and send emails using React

19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email
#16

Mjml

Similarity 127Trust 95Excellent 100

MJML: the only framework that makes responsive-email easy

18K starsJun 12, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add mjmlio/mjml

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Poastal if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.