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ASP.NET Email application

SMTP stands for Simple Mail Transfer Protocol . The System.Net.Mail namespace contains classes used to send e-mail to a SMTP server for delivery. The default port using SMTP is 25 , but it may vary different Mail Servers

smtp-email

The two classes here we are using for sending email are MailMessage Class and SmtpClient Class. The MailMessage class represents the content of a mail message. The SmtpClient class transmits email to the SMTP host that you designate for mail delivery.

The following ASP.NET source code shows how to send an email from a Gmail address using SMTP server. The Gmail SMTP server name is smtp.gmail.com and the port using send mail is 587 and also using NetworkCredential for password based authentication.

VB.Net

C#

The above code you have to replace username and password with you gmail user name and password. Also you have to provide the from address as your gmail address.

VB.Net

C#

The following ASP.NET program using a gmail address as from address and server as gmail smtp server for sending a SMTP email message.

Default.aspx


Click the following links to see full source code

C# Source Code
VB.NET Source Code
default.aspx.cs
default.aspx.vb






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