# Functions
CreateInlineWriter writes a mail header to w.
CreateReader reads a mail header from r and returns a new mail reader.
CreateSingleInlineWriter writes a mail header to w.
CreateWriter writes a mail header to w and creates a new Writer.
HeaderFromMap creates a header from a map of header fields.
NewReader creates a new mail reader.
ParseAddress parses a single RFC 5322 address, e.g.
ParseAddressList parses the given string as a list of addresses.
# Structs
An AttachmentHeader represents an attachment's header.
A Header is a mail header.
A InlineHeader represents a message text header.
InlineWriter writes a mail message's text.
A Part is either a mail text or an attachment.
A Reader reads a mail message.
A Writer writes a mail message.
# Interfaces
A PartHeader is a mail part header.
# Type aliases
Address represents a single mail address.