Function Split

framework/address/split.go:36–54

Split splits a email address (as defined by RFC 5321 as a forward-path token) into local part (mailbox) and domain. Note that definition of the forward-path token includes the special postmaster address without the domain part. Split will return domain == "" in this case. Split does almost no sani

(addr string)

// If this is a concern, ValidMailbox and ValidDomain should be used on the
// output.
func Split(addr string) (mailbox, domain string, err error) {
	if strings.EqualFold(addr, "postmaster") {
		return addr, "", nil
	}

	indx := strings.LastIndexByte(addr, '@')
	if indx == -1 {
		return "", "", errors.New("address: missing at-sign")
	}
	mailbox = addr[:indx]
	domain = addr[indx+1:]
	if mailbox == "" {
		return "", "", errors.New("address: empty local-part")
	}
	if domain == "" {
		return "", "", errors.New("address: empty domain")
	}
	return
}

// UnquoteMbox undoes escaping and quoting of the local-part.  That is, for
// local-part `"test\" @ test"` it will return `test" @test`.