發送郵件symfony2不是gmail

Question

我曾經使用gmail從我的symfony2應用發送郵件。但現在谷歌似乎阻止該服務，而不是我碰到下面的消息，我的Gmail帳戶時，我嘗試使用SwiftMailer發送郵件：

Someone just tried to sign in to your Google Account xxx@gmail.com from an app that doesn't meet modern security standards. 

Details: 
Saturday, November 7, 2015 9:26 PM (Central European Standard Time) 
France* 
We strongly recommend that you use a secure app, like Gmail, to access your account. All apps made by Google meet these security standards. Using a less secure app, on the other hand, could leave your account vulnerable. Learn more. 

Google stopped this sign-in attempt, but you should review your recently used devices: 

現在，如果沒有谷歌，我應該用什麼來發送郵件？

注：我需要自由ofcourse

Answer 1

的東西有很多的郵件服務，如Sendmail，Exim，等等。只需安裝一個和configure your app accordingly。