npm
productdevbook/unemail
One unified email API across 18 providers (SMTP, Resend, SES, Postmark, SendGrid, Mailgun, …). Zero deps, RFC 8058 + DKIM ready, edge-first, strict TypeScript.
MITOct 9, 2026 · metrics 2.10.0
All tags
Catalogue tag
#smtp
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
108 records
npm
zone-eu/mx-connect
Establish TCP connection to a MX server
EUPL-1.2Sep 14, 2026 · metrics 2.10.0
NuGet
NLog/NLog.MailKit
:mailbox_with_mail: Alternative Mail target for NLog using MailKit
BSD-3-ClauseSep 12, 2026 · metrics 2.10.0
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sisimai/p5-sisimai
Mail Analyzing Interface for email bounce: A Perl module to parse RFC5322 bounce mails and generating structured data as JSON from parsed results. Formerly known as bounceHammer 4: an error mail analyzer.
BSD-2-ClauseSep 13, 2026 · metrics 2.10.0
Maven
bbottema/simple-java-mail
Simple API, Complex Emails (Jakarta Mail smtp wrapper)
Apache-2.0Sep 9, 2026 · metrics 2.10.0
—
guibranco/SmtpLw-SDK-dotnet
📮 ✉️ SmtpLw - SMTP Locaweb - Cliente da API do SMTP dedicado da Locaweb
MITOct 21, 2026 · metrics 2.10.0
Go · npm
vul-os/lilmail
A lightweight, database-free PIM client — mail, calendar, and contacts — in a single Go binary.
Apache-2.0Sep 13, 2026 · metrics 2.10.0
Go
ginsys/forward-email
A comprehensive command-line interface for managing forwardemail.net accounts and resources through their public REST API. This CLI provides a powerful interface to manage your domains, aliases, and email operations programmatically.
MITSep 20, 2026 · metrics 2.10.0
Packagist
mageplaza/magento-2-smtp
Magento 2 SMTP Extension helps the owner of store simply install SMTP (Simple Mail Transfer Protocol) server which transmits the messages into codes or numbers.
Custom licenseSep 5, 2026 · metrics 2.10.0
RubyGems
sj26/mailcatcher
Catches mail and serves it through a dream.
MITAug 28, 2026 · metrics 2.10.0
PyPI
c0r0n3r/cryptolyzer
CryptoLyzer is a fast, flexible and comprehensive server cryptographic protocol (TLS, SSL, SSH, DNSSEC) and related setting (HTTP headers, DNS records) analyzer and fingerprint (JA3, HASSH tag) generator with Python API and CLI. (read-only clone of the original GitLab project)
MPL-2.0Sep 14, 2026 · metrics 2.10.0
npm
civitas-cerebrum/email-client
A highly robust, zero-dependency SMTP/IMAP email client built specifically for E2E automation.
No licenseSep 18, 2026 · metrics 2.10.0
PyPI
kootenpv/yagmail
Send email in Python conveniently for gmail using yagmail
MITSep 17, 2026 · metrics 2.10.0
NuGet
datalust/seq-app-mail
Notify from Seq using a variety of email services.
Apache-2.0Sep 16, 2026 · metrics 2.10.0
crates.io
pimalaya/io-smtp
SMTP client library, written in Rust
Apache-2.0Sep 27, 2026 · metrics 2.10.0
Go
sergeymakinen/postfix_exporter
Export Postfix stats to Prometheus
BSD-3-ClauseSep 17, 2026 · metrics 2.10.0
Maven
solodev-sk/spring-notify
Channel-agnostic notification delivery for Spring Boot — send SMS, push, email, and chat through one API.
Apache-2.0Oct 19, 2026 · metrics 2.10.0
NuGet
NickScarpitti/common-net-funcs
A collection of light weight and efficient helper classes and methods intended to reduce boilerplate code
MITSep 12, 2026 · metrics 2.10.0
Go
shuLhan/pakakeh.go
[mirror] A collection of libraries and tools written in Go.
BSD-3-ClauseSep 11, 2026 · metrics 2.10.0
NuGet
axuno/MailMergeLib
MailMergeLib is a mail message client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.
MITSep 12, 2026 · metrics 2.10.0
npm
mailslurp/mailslurp-client
Official MailSlurp Client
MITSep 8, 2026 · metrics 2.10.0
npm
makkr-studio/pattern
Build backends as typed graphs of operations.
MITSep 10, 2026 · metrics 2.10.0
crates.io
stalwartlabs/mail-send
E-mail delivery library for Rust with DKIM support
Custom licenseAug 23, 2026 · metrics 2.10.0
—
The-McGrail-Foundation/MIMEDefang
MIMEDefang is an e-mail filtering tool that works with the Sendmail “Milter” library. MIMEDefang lets you express your filtering policies in Perl rather than C, making it quick and easy to filter or manipulate your mail.
GPL-2.0Sep 13, 2026 · metrics 2.10.0
Packagist
utopia-php/smtp
Lite & fast micro PHP SMTP framework that is easy to learn.
No licenseSep 18, 2026 · metrics 2.10.0
Go
aloki-alok/mailgrade
Grade any domain's email deliverability from your terminal: SPF, DKIM, DMARC, MTA-STS, DANE, reverse DNS, STARTTLS, and blocklist checks with an A-F score and exact fixes.
MITSep 12, 2026 · metrics 2.10.0
Go
oneclickvirt/portchecker
端口检测模块 (port checker)
Apache-2.0Sep 14, 2026 · metrics 2.10.0
crates.io
stalwartlabs/smtp-proto
SMTP protocol parsing library for Rust
Custom licenseOct 20, 2026 · metrics 2.10.0
Packagist
ElasticEmail/elasticemail-php
ElasticEmail - the PHP library for the Elastic Email REST API
No licenseAug 25, 2026 · metrics 2.10.0
npm
ai-setting/ai-agent-bounty
AI Agent Bounty System - Task publishing, grabbing, credits escrow and mail communication
No licenseSep 13, 2026 · metrics 2.10.0