smtp

Documentation

Overview

Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321. It extends net/smtp as follows:

• Supports SMTPUTF8, via MailAndRcpt.
• Adds IsPermanent.

Index

• func IsPermanent(err error) bool
• type Client
  • func NewClient(conn net.Conn, host string) (*Client, error)
  • func (c *Client) MailAndRcpt(from string, to string) error

Functions

func IsPermanent

func IsPermanent(err error) bool

IsPermanent returns true if the error is permanent, and false otherwise. If it can't tell, it returns false.

Types

type Client

type Client struct {
	*smtp.Client
}

A Client represents a client connection to an SMTP server.

func NewClient

func NewClient(conn net.Conn, host string) (*Client, error)

NewClient uses the given connection to create a new Client.

func (*Client) MailAndRcpt

func (c *Client) MailAndRcpt(from string, to string) error

MailAndRcpt issues MAIL FROM and RCPT TO commands, in sequence. It will check the addresses, decide if SMTPUTF8 is needed, and apply the necessary transformations.