Get only date and month from current date

var yourDate = ...;
if(yourDate.Date == DateTime.Now.Date && yourDate.Month == DateTime.Now.Month)
{
    //Mail sending code
}

string test1 = DateTime.Now.ToString("dd/MM");
DateTime val = //your database value
string test2 = val.ToString("dd/MM");
if (test1 == test2)
{
    //send email
}
else
{
    
}

DECLARE @StartDate DATETIME, @EndDate DATETIME

SET @StartDate = '2013-10-22'
SET @EndDate   = '2013-10-22'

SELECT FullName, DATEPART(MONTH, DateOfBirth) AS MONTH, DATEPART(DAY, DateOfBirth) AS DAY, CONVERT(VARCHAR(10), DateOfBirth, 111) AS DateOfBirth
    FROM Customers 
    WHERE   DATEADD(YEAR, DATEDIFF(YEAR,  DateOfBirth, @StartDate), DateOfBirth) BETWEEN @StartDate AND @EndDate
         OR DATEADD(YEAR, DATEDIFF(YEAR,  DateOfBirth, @EndDate), DateOfBirth) BETWEEN @StartDate AND @EndDate
    ORDER BY CASE WHEN DATEADD(YEAR, DATEDIFF(YEAR,  DateOfBirth, @StartDate), DateOfBirth) BETWEEN @StartDate AND @EndDate THEN 1 ELSE 2 END,
        DATEPART(MONTH, DateOfBirth), DATEPART(DAY, DateOfBirth)