mirror of
https://github.com/decke/smtprelay.git
synced 2025-12-26 12:42:29 -07:00
46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"net/smtp"
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"github.com/chrj/smtpd"
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"github.com/vharitonsky/iniflags"
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)
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var (
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hostName = flag.String("hostname", "localhost.localdomain", "Server hostname")
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welcomeMsg = flag.String("welcome_msg", "", "Welcome message for SMTP session")
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localHost = flag.String("local_host", "localhost", "Address to listen for incoming SMTP")
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localPort = flag.Int("local_port", 25, "Port to listen")
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remoteHost = flag.String("remote_host", "smtp.gmail.com", "Outgoing SMTP host")
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remotePort = flag.Int("remote_port", 587, "Outgoing SMTP port")
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remoteUser = flag.String("remote_user", "", "Username for authentication on outgoing SMTP server")
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remotePass = flag.String("remote_pass", "", "Password for authentication on outgoing SMTP server")
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)
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func handler(peer smtpd.Peer, env smtpd.Envelope) error {
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return smtp.SendMail(
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fmt.Sprintf("%s:%d", *remoteHost, *remotePort),
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smtp.PlainAuth("", *remoteUser, *remotePass, *remoteHost),
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env.Sender,
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env.Recipients,
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env.Data,
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)
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}
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func main() {
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iniflags.Parse()
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server := &smtpd.Server{
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Hostname: *hostName,
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WelcomeMessage: *welcomeMsg,
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Handler: handler,
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}
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server.ListenAndServe(fmt.Sprintf("%s:%d", *localHost, *localPort))
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}
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