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ref-go-smtprelay
의 미러 https://github.com/decke/smtprelay.git
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Simple Golang SMTP relay/proxy server

Topics
#golang #proxy-server #smtp-server #smtp-relay #ssl #load-balancer

트리: v1.2.0
브랜치 태그
ref-go-smtprela...
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Bernhard Froehlich af1902f39f Bump version to 1.2.0 6 년 전
LICENSE c707438ae8 Update MIT license template 6 년 전
README.md ade7cbca36 Rename to smtprelay 6 년 전
auth.go b9d1663a18 Fixes for new authentication code 6 년 전
config.go 92be537b25 Bump version to 1.2.0 6 년 전
go.mod ade7cbca36 Rename to smtprelay 6 년 전
go.sum 76a04a2001 Authentication checker converted to store passwords as bcrypt hashes 6 년 전
main.go b9d1663a18 Fixes for new authentication code 6 년 전
smtp.go 3a96014c70 Revert package renaming 6 년 전
smtprelay.ini ade7cbca36 Rename to smtprelay 6 년 전

README.md

smtprelay

Simple Golang based SMTP relay/proxy server that accepts mail via SMTP and forwards it directly to another SMTP server.

Why another SMTP server?

Outgoing mails are usually send via SMTP to an MTA (Mail Transfer Agent) which is one of Postfix, Exim, Sendmail or OpenSMTPD on UNIX/Linux in most cases. You really don't want to setup and maintain any of those full blown kitchensinks yourself because they are complex, fragile and hard to configure.

My use case is simple. I need to send automatically generated mails from cron via msmtp/sSMTP/dma, mails from various services and network printers to GMail without giving away my GMail credentials to each device which produces mail.

Main features

  • Supports SMTPS/TLS (465), STARTTLS (587) and unencrypted SMTP (25)
  • Checks for sender, receiver, client IP
  • Authentication support with file (LOGIN, PLAIN)
  • Enforce encryption for authentication
  • Forwards all mail to a smarthost (GMail, MailGun or any other SMTP server)
  • Small codebase
  • IPv6 support