I need to increase the security level of customization options, can choose the security level in email,
, OWA and outlook the client needs to have this option,
Specific visual effect as shown in figure:




Excuse me somebody know how to do?

CodePudding user response:

Email itself has no safe level, this is control yourself out! Should be the problem of dealing with HTML code, the security level, can call HTML code function is much, such as javascript, flash, etc.