package mailer import ( "io" "net/mail" ) // Message defines a generic email message struct. type Message struct { From mail.Address To mail.Address Bcc []string Cc []string Subject string HTML string Text string Headers map[string]string Attachments map[string]io.Reader } // Mailer defines a base mail client interface. type Mailer interface { // Send sends an email with the provided Message. Send(message *Message) error }