php - send email with swiftmailer in symfony -

i devolping application in symfony.i have use swiftmailer sending emails.but mail not recieved. dont know wrong. here code:

$message = \swift_message::newinstance()                     ->setsubject('password reset')                     ->setfrom('support@bwcmultimedia.com')                     ->setto('karank@ocodewire.com')                     ->setbody($this->renderview('drpregistrargeneralbundle:email:k.txt.twig'));                 $mailstatus = $this->get('mailer')->send($message); 

i have set parameters.yml file:

 database_driver: pdo_mysql     database_host: 127.0.0.1     database_port: null     database_name: database     database_user: user     database_password: pass     mailer_transport: smtp     mailer_encryption:      mailer_auth_mode: "login"     mailer_host: smtp.gmail.com     mailer_port: 25     mailer_user: karansofat89@gmail.com     mailer_password: pass     locale: en     secret: thistokenisnotsosecretchangeit 

config file:

swiftmailer:     transport: %mailer_transport%     encryption: tls     auth_mode: login     host:      %mailer_host%     username:  %mailer_user%     password:  %mailer_password% 

please help

for sending emails through gmail, set mailer_transport gmail , ommit port.

parameters.yml

mailer_transport: gmail mailer_encryption: ssl mailer_auth_mode: login mailer_host: smtp.gmail.com mailer_user: karansofat89@gmail.com mailer_password: pass 

config.yml

swiftmailer:     transport:  %mailer_transport%     encryption: %mailer_encryption%     auth_mode:  %mailer_auth_mode%     host:       %mailer_host%     username:   %mailer_user%     password:   %mailer_password% 

you should make sure openssl extension enabled.