def __init__(self):
dataDir = Settings.dataDir + 'ProgrammingEmail/CustomizeEmailHeaders/'
# Create a instance of MailMessage class
message = MailMessage()
# Set subject of the message
message.setSubject("New message created by Aspose.Email for Java")
# Set Html body
message.setHtmlBody("<b>This line is in bold.</b> <br/> <br/>" +
"<font color=blue>This line is in blue color</font>")
# Set sender information
message.setFrom(MailAddress("*****@*****.**", "Sender Name", False))
# Add TO recipients
message.getTo().add(MailAddress("*****@*****.**", "Recipient 1", False))
# Message subject
message.setSubject("Customizing Email Headers")
# Specify Date
timeZone=TimeZone()
calendar=Calendar()
calendar = calendar.getInstance(timeZone.getTimeZone("GMT"))
date = calendar.getTime()
message.setDate(date)
# Specify XMailer
message.setXMailer("Aspose.Email")
# Specify Secret Header
message.getHeaders().add("secret-header", "mystery")
# Save message to disc
messageFormat=MessageFormat()
message.save(dataDir + "MsgHeaders.msg", messageFormat.getMsg())
# Display Status
print "Customized message headers Successfully."