Email with SmtpClient, expectation effect is mail Body can show multiple consecutive Spaces,
Code:

 

Using System.Net.Mail; 
. 
Public class SmtpHelper: SmtpClient 
{
. 

Public string Send (string subject, 
String body, 
Bool isBodyHtml, 
MailAddress from, 
MailAddress replayTo, 
List The to, 
List Cc, 
List BCC, 
MailPriority priority, 
List Attachments) 
{
MailMessage message=new MailMessage (); 
. 
Message. The Body="three blanks: []"; 
Message. BodyEncoding=System. Text.. Encoding UTF8; 
. 

This. Send (message); 

Invoke the SmtpClient Send (message) method, the result E-mail sent out, Spaces can be automatically merged into one,
The effect of the email sent to:
"Three blanks: []"

Try to use escape:
Message. The Body="three blanks: [& amp; have spent & amp; have spent & amp; have spent] ";

The effect of the email sent to:
Three blanks: [& amp; have spent & amp; have spent & amp; have spent]

Mail contents of continuous space is meaningful for the user, to have no the SmtpClient, really depressed, the great god of all stripes have a solution?