After installing java getway zabbix can't send email. But yesterday it was working. In log i have next
failed to send email: Weird server reply. How can i get more info about error?
Mail server has next log:

Sep 17 09:26:41 cemgame.ru postfix/smtpd[37484]: warning: hostname static.82.209.205.127.grodno.by does not resolve to address 82.209.205.127
Sep 17 09:26:41 cemgame.ru postfix/smtpd[37484]: connect from unknown[82.209.205.127]
Sep 17 09:26:41 cemgame.ru postfix/smtpd[37484]: SSL_accept error from unknown[82.209.205.127]: lost connection
Sep 17 09:26:41 cemgame.ru postfix/smtpd[37484]: lost connection after STARTTLS from unknown[82.209.205.127]
Sep 17 09:26:41 cemgame.ru postfix/smtpd[37484]: disconnect from unknown[82.209.205.127] ehlo=1 starttls=0/1 commands=1/2*
*

I can send from that server with my own java application(additional info).