MahnoKropotkinvich/smtp-filter
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code cleanup

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This commit is contained in:
Mahno 2025-04-15 23:38:47 +08:00
parent 0a86ef3e98
commit bdf97ed42a
1 changed files with 1 additions and 16 deletions
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17
main.go
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@ -147,20 +147,6 @@ func handleConnection(clientConn net.Conn) {
smtp.client.Write([]byte("501 Syntax error in parameters or arguments\r\n"))
return
}
// email := strings.Trim(strings.TrimSpace(parts[1]), "<>")
// domain := strings.Split(email, "@")
// if len(domain) != 2 {
// smtp.client.Write([]byte("501 Syntax error in parameters or arguments\r\n"))
// return
// }
// fmt.Sscanf(parts[1], "<%s>%s", &email, &whatever)
// email := re.FindStringSubmatch(parts[1])
// if len(email) < 1 {
// log.Errorf("%s is not email address", email[1])
// return
// }
// domain := strings.Split(email[0], "@")
start := strings.Index(parts[1], "<")
end := strings.Index(parts[1], ">")
if start == -1 || end == -1 || start >= end {
@ -187,7 +173,7 @@ func handleConnection(clientConn net.Conn) {
log.Warnf("Disconnecting %s - attempted DATA without valid recipient", smtp.clientAddr)
return
}
//Otherwise Forward to target and get response
// Otherwise Forward to target and get response
smtp.target.Write([]byte(line))
n, err := smtp.target.Read(response)
if err != nil {
@ -215,7 +201,6 @@ func handleConnection(clientConn net.Conn) {
}
}()
// 从服务器到客户端
go func() {
defer wg.Done()
if _, err := io.Copy(smtp.client, smtp.target); err != nil {