Проверка почтового сервера

-> Connect to 78.25.114.156:25
220 mx.okb.umpo.ru [ESMTP Server] service ready;mx.okb.umpo.ru Welcome
-> EHLO uptimebot.ru
250-mx.okb.umpo.ru
250-SIZE 69206016
250 8BITMIME
### STARTTLS not found ###
-> quit
221 [ESMTP Server] service closing transmission channel