Sending the Mail
Below code will explain you how you can send the mail using SharePoint configuration.
This code is uses classes form the Microsoft.SharePoint.dll and Microsoft.SharePoint.Utilities.dll.
public bool SendMail()
{
//Get Current website
SPWeb web = SPContext.Current.Web;
//Check emilServer is set
bool isEmailServerSet = SPUtility.IsEmailServerSet(web);
bool result = false;
if (isEmailServerSet)
{
//The email header
StringDictionary headers = new StringDictionary();
headers.Add("to","chiragbrajput@hotmail.com"));
headers.Add("cc", Chiragbrajput@hotmail.com);
//Change the from setting(optional)
headers.Add("from","hotmailAdmin@hotmail.com");
headers.Add("subject", "TestingEmail");
headers.Add("content-type", "text/html"); //This is the default type, so isn’t neccessary.
//The email body
string bodyText = "hello World";
//indicate mail send succefully or not.
result = SPUtility.SendEmail(web, headers, bodyText);
}
}