PI version 3.10 , I configured an SMTP server in "Administration/Settings/System Settings/Mail Server Configuration" and then clicked "Test" but nothing happen，I never received the test mail.PI alarm said:System with IP Address '192.168.99.210' faile...

cisco prime infrastructure 3.10的版本，在 “”Administration / Settings / System Settings / Mail Server Configuration”中配置了SMTP服务器，然后点击“Test”，但是收不到测试邮件。PI会有alarm提示：System with IP Address '192.168.99.210' failed to send email .This may be due to possible SMTP...