Go smtpd [![GoDoc](https://godoc.org/bitbucket.org/chrj/smtpd?status.png)](https://godoc.org/bitbucket.org/chrj/smtpd)
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Package smtpd implements an SMTP server in golang.

Features
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* STARTTLS (using `crypto/tls`)
* Authentication (PLAIN/LOGIN, only after STARTTLS)
* XCLIENT (for running behind a proxy)
* Connection, HELO, sender and recipient checks for rejecting e-mails using callbacks
* Configurable limits for: connection count, message size and recipient count
* Hands incoming e-mail off to a configured callback function

Feedback
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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).