alle code om email te lezen van de ontvanger en te verzenden van uit de server

working server email.py

def email(email):
    import getpass, poplib

    #server credentials
    Mailbox = poplib.POP3_SSL('pop.googlemail.com', '995')
    Mailbox.user('[email protected]')
    Mailbox.pass_('Hondenbijeenkomst')
    numMessages = len(Mailbox.list()[1])
    mailbestand = open('lastemail.txt', 'w')

    for i in range(numMessages):
        for msg in Mailbox.retr(i+1)[1]:
            #print(msg)
            mailbestand.write(str(msg))

    Mailbox.quit()
    mailbestand = open('lastemail.txt', 'r')

    auth = mailbestand.read()

    if auth == '':
        print('failure')
        final = False
    else:
        print('pass')
        final = True

    mailbestand.close()
    if final == True:
        return True

if email(email) == True:
    from random import choice
    from string import ascii_letters

    def twofactorauthentication():

        rndmlettercode = ''.join(choice(ascii_letters)for x in range(9))

        infile = open('bestand', 'w')
        infile.write(rndmlettercode)
        infile.close()
        file = open('bestand', 'r')
        file = file.read()

        outfile = open('bestanduit', 'w')
        deletword = '='
        for line in file:
            for word in deletword:
                line = line.replace(word, '')
                outfile.write(line)
        outfile.close()
        outfile = open('bestanduit', 'r')
        outfile = outfile.read()
        #
        print(outfile)

        emailto = input('Geef u email op: ')
        while emailto == '':
            emailto = input('Geef u email op: ')
        else:
            print('Er wordt een email gestuurd naar '+ emailto +', check u spam en normale inbox.')

        import smtplib
        fromaddress = 'specselect@gmailcom'
        toaddress = emailto
        message = '\r\n'.join(['from: [email protected]',
                               'to: '+emailto,
                               'subject: Authenticatiecode',
                               '',
                               'Uw authenticatiecode is: '+outfile])

        gebruikersnaam = '[email protected]'
        wachtwoord = 'Hondenbijeenkomst'
        server = smtplib.SMTP('smtp.gmail.com:587')
        server.ehlo()
        server.starttls()
        server.login(gebruikersnaam,wachtwoord)
        server.sendmail(fromaddress,toaddress,message)
        server.quit()

        authfile = input('Geef u authenticatiecode op, u heeft 4 kansen: ')
        counter = 0
        while True:
            if authfile == outfile:
                print('Authenticatiecode correct, fijne dag verder! ')
                break
            else:
                counter += 1
                print('Authenticatiecode incorrect, probeer het nogmaals')
                authfile = input('Geef u authenticatiecode op: ')
                if counter == 3 and authfile != outfile:
                    print('U heeft te vaak de verkeerde authenticatiecode opgegeven, probeer het nog eens over 10 minuten. ')
                    break

    twofactorauthentication()
else:
    print("")    #hier t nummer van een van ons neerzetten?