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ref-go-smtprelay
espejo de 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

Árbol: v1.4.0
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ref-go-smtprela...
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Bernhard Froehlich 4b14203296 Merge branch 'master' of github.com:decke/smtprelay hace 5 años
.github 0e643f7230 Update CI to go 1.14 hace 5 años
cmd 076fd65dea Use default cost for bcrypt hace 5 años
scripts b42ad6ddc9 Add release script as requested in #2 hace 5 años
LICENSE c707438ae8 Update MIT license template hace 6 años
README.md 2afbe67407 Add Go Report Card badge hace 5 años
auth.go d11f8d81ea Fix formatting hace 6 años
config.go 53c2c27647 Support LOGIN authentication on outgoing SMTP server hace 5 años
go.mod 4e0bf0908d Update dependencies hace 5 años
go.sum 4e0bf0908d Update dependencies hace 5 años
main.go 6f3bd16988 The check if authentication was properly done is redundant now as of smtpd v0.2.0 hace 5 años
smtp.go 999ccab778 Fix spelling hace 5 años
smtprelay.ini 53c2c27647 Support LOGIN authentication on outgoing SMTP server hace 5 años

README.md

smtprelay

Go Report Card

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