Server Error! (Internal Server Error)

[cjjjjjj]

vesta server on centos 7 install is ok,

but when i send a test mail, key the mail address on TO: input , some service is searching, and a dailog with open show

An error occurred!
Server Error! (Internal Server Error)

Who konw this issus.

[cjjjjjj]

error this pic

http://108.61.206.178/vesta.jpg

[service4b]

удалось решить проблему?