25 lines
1.2 KiB
Markdown
25 lines
1.2 KiB
Markdown
Go smtpd [](https://godoc.org/git.tcp.direct/Mirrors/smtpd) [](https://goreportcard.com/report/git.tcp.direct/Mirrors/smtpd)
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========
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Package smtpd implements an SMTP server in golang.
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Features
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--------
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* STARTTLS (using `crypto/tls`)
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* Authentication (PLAIN/LOGIN, only after STARTTLS)
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* [XCLIENT](http://www.postfix.org/XCLIENT_README.html) and [PROXY protocol](https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt) (for running behind a proxy)
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* Connection, HELO, sender and recipient checks for rejecting e-mails using callbacks
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* Configurable limits for: connection count, message size and recipient count
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* Hands incoming e-mail off to a configured callback function
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Version numbers
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---------------
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The package is tagged with semantic version numbers, making it suitable for use in a [Go Module](https://github.com/golang/go/wiki/Modules).
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Feedback
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--------
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If you end up using this package or have any feedback, I'd very much like to hear about it. You can reach me by [email](mailto:christian@technobabble.dk).
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