Error 500 Sending Email

[srhnyldz]

Hi,
ı use to latest version. i can get recieve emails. But i cant send email. Test Email is success in administrator. But i try to send email, i get error 500. How do I resolve it?
Log records bottom:

[2015-06-12 14:25:47] Espo.ERROR: API [POST]:/:controller, Params:Array
(
[controller] => Email
)
, InputData: {"assignedUserId":"1","assignedUserName":"Serha n Yıldız","isRead":true,"isHtml":true,"status":"Send ing","teamsIds":["556258c5abed7cc24"],"teamsNames":{"556258c5abed7cc24":"MedyaZ"},"atta chmentsIds":[],"attachmentsNames":{},"attachmentsTypes":{},"to": "destek@medyaz.net","name":"Deneme","body":"De neme maili<br>","bodyPlain":"Deneme maili\n","from":"destek@medyaz.net","cc":"","bcc": "","parentType":"Account","parentName":null,"paren tId":null,"selectTemplateName":null,"selectTemplat eId":null} - Could not open socket [] []
[2015-06-12 14:25:47] Espo.ERROR: Display Error: Could not open socket, Code: 500 URL: /api/v1/Email [] []

[tarasm]

It seems like your hosting doesn't allow to open socket for fsockopen(). Please enable it via php.ini or contacting your hosting support.

[srhnyldz]

Hi, my fscokopen setting in php.ini

;;;;;;;;;;;;;;;;;;
; Fopen wrappers ;
;;;;;;;;;;;;;;;;;;

; Whether to allow the treatment of URLs (like http:// or ftp://) as files.
; http://php.net/allow-url-fopen
allow_url_fopen = On

; Whether to allow include/require to open URLs (like http:// or ftp://) as files.
; http://php.net/allow-url-include
allow_url_include = Off

; Define the anonymous ftp password (your email address). PHP's default setting
; for this is empty.
; http://php.net/from
;from="john@doe.com"

; Define the User-Agent string. PHP's default setting for this is empty.
; http://php.net/user-agent
;user_agent="PHP"

; Default timeout for socket based streams (seconds)
; http://php.net/default-socket-timeout
default_socket_timeout = 60