Issue #372 fixed

New parameters should be added to Web.config:  
``` XML
    <add key="SystemNetMailHost" value="" /> 
    <add key="SystemNetMailPort" value="" /> 
    <add key="SystemNetMailEnableSsl" value="" /> 
    <add key="SystemNetMailLogin" value="" /> 
    <add key="SystemNetMailPassword" value="" />
    <add key="ReplyToDefaultValue" value="" /> 
```
Important! 
Format of SystemNetMailLogin, SystemNetMailLogin is *@*.*
Format of GreetingsAuthor is *@*.* too. 
If wrong format is set, System.Net.Mail will throw an exception.