try putting these settings in your local.config
# Email Settings
Config::Set('EMAIL_FROM_NAME', 'Name to be displayed');
Config::Set('EMAIL_FROM_ADDRESS', 'from@email.com');
Config::Set('EMAIL_USE_SMTP', true);
# Add multiple SMTP servers by separating them with ;
Config::Set('EMAIL_SMTP_SERVERS', 'yourmailserver');
Config::Set('EMAIL_SMTP_PORT', '25');
Config::Set('EMAIL_SMTP_USE_AUTH', false);
Config::Set('EMAIL_SMTP_USER', 'fullusernameofemail');
Config::Set('EMAIL_SMTP_PASS', 'passwordofemail');