there is no message in Module Logs.
just when i use my server smtp it work correctly and sho me the below information
CLIENT -> SERVER: EHLO my.xxxxxx
CLIENT -> SERVER: AUTH LOGIN
CLIENT -> SERVER: Y3JtQG5hdmlkaXJhbmlhbi5jb20=
CLIENT -> SERVER: Uk9iVGxDWFdV
CLIENT -> SERVER: MAIL FROM:<hosting@xxxxxx>
CLIENT -> SERVER: RCPT TO:<info@xxxxxx>
CLIENT -> SERVER: RCPT TO:<xxxxxx@gmail.com>
CLIENT -> SERVER: DATA
CLIENT -> SERVER: Date: Sat, 29 Dec 2018 11:06:16 +0030
..............
CLIENT -> SERVER:
CLIENT -> SERVER: .
CLIENT -> SERVER: QUIT
but when i try to use elastic email server just refresh the page (for example show the ticket body).