Alternatives

Products that do what A simple SMTP proxy that bridges legacy software to modern SMTP servers does

1WS
WildDuck – Self-hosted modern email server▲222
2019 · wildduck.email
2FS
Fake SMTP server as a service▲149
2017 · develmail.com
3AS
A self-hosted email engine▲149
2020 · mailcoach.app
4AS
A simple IP address API▲241
2014 · ipinfo.io
5BA
Broxy – An HTTP/HTTPS intercept proxy written in Go▲106
2020 · github.com
6HS
Heimdall – Self-managed email alias/forwarding service▲130
2020 · github.com
7GA
Glider, a better email client▲81
2012 · glider.io
8CU
Cypht – Unique Open Source Webmail▲110
2016 · cypht.org
9DA
dingo - a Google DNS-over-HTTPS caching proxy in Go▲75
2016 · github.com
10IB
IMAP-based message broker client written in Go▲87
2016 · github.com
111L
100 LOC Ruby forward proxy using only standard libraries▲115
2021 · github.com
12AS
A simple SSH VPN client▲113
2017 · github.com
13FU
Free Unlimited Private File Sending (Beta)▲120
2012 · wireover.com
14FA
FileNation – A simple way to send files using IPFS▲98
2018 · filenation.io
15TV
Tiny VPSs without exhausting IPv4 addresses▲95
2014 · definedcodehosting.com
16SR
Simple REST mail server written in Go▲22
2015 · github.com
17MA
Monitoring and automation for email servers, starting with Postfix▲22
2021 · github.com
18AP
A proxy service for debugging HTTP/S traffic▲75
2017 · debugproxy.com
19DA
Drymail – A minimalist but complete email framework for Python▲21
2019 · github.com
20PA
Postman – A command-line utility for batch-sending email▲48
2014 · github.com
21CA
Crowbar, a tool to proxy TCP over plain HTTP▲15
2015 · github.com
22AS
A simple Go utility to ease deployments via SSH and SCP▲50
2018 · github.com
23VS
Very Simple TCP/UDP Proxy▲5
2016 · github.com
24WP
WrapAPI Proxy, a Zero-Install Charles Proxy Alternative▲11
2017 · wrapapi.com

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