#!/usr/bin/env python3
import imaplib
import sys

host = "your_imap_server"
user = "your_name"
password = "your_password"

def test_plain():
    try:
        server = imaplib.IMAP4(host, 143)
        #server.debug = 4
        server.login(user, password)
        server.select()
        typ, msgnums = server.search(None, 'ALL')
        print("message numbers = " + str(msgnums))
        server.close()
        server.logout()
    except:
        print("plain 143 failed:", sys.exc_info()[0])

def test_143_starttls():
    try:
        server = imaplib.IMAP4(host, 143)
        #server.debug = 4
        server.starttls()
        server.login(user, password)
        server.select()
        typ, msgnums = server.search(None, 'ALL')
        print("message numbers = " + str(msgnums))
        server.close()
        server.logout()
    except:
        print("STARTTLS 143 failed:", sys.exc_info()[0])

def test_993():
    try:
        server = imaplib.IMAP4_SSL(host, 993)
        #server.debug = 4
        server.login(user, password)
        server.select()
        typ, msgnums = server.search(None, 'ALL')
        print("message numbers = " + str(msgnums))
        server.close()
        server.logout()
    except:
        print("SSL 993:", sys.exc_info()[0])

test_plain()
test_143_starttls()
test_993()