System.Net.Mail Namespace

Represents the format to view an email message.

Represents a collection of AlternateView objects.

Represents an attachment to an email.

Base class that represents an email attachment. Classes Attachment, AlternateView, and LinkedResource derive from this class.

Stores attachments to be sent as part of an email message.

Represents an embedded external resource in an email attachment, such as an image in an HTML attachment.

Stores linked resources to be sent as part of an email message.

Represents the address of an electronic mail sender or recipient.

Store email addresses that are associated with an email message.

Represents an email message that can be sent using the SmtpClient class.

Allows applications to send email by using the Simple Mail Transfer Protocol (SMTP). The SmtpClient type is now obsolete.

Represents the exception that is thrown when the SmtpClient is not able to complete a Send or SendAsync operation.

Represents the exception that is thrown when the SmtpClient is not able to complete a Send or SendAsync operation to a particular recipient.

The exception that is thrown when email is sent using an SmtpClient and cannot be delivered to all recipients.

Controls access to Simple Mail Transport Protocol (SMTP) servers.

Controls access to Simple Mail Transport Protocol (SMTP) servers.

Describes the delivery notification options for email.

Specifies the priority of a MailMessage.

Specifies the level of access allowed to a Simple Mail Transport Protocol (SMTP) server.

The delivery format to use for sending outgoing email using the Simple Mail Transport Protocol (SMTP).

Specifies how email messages are delivered.

Specifies the outcome of sending email by using the SmtpClient class.

Represents the method that will handle the SendCompleted event.