go-mail/auth.go
Winni Neessen 06e37755f2
Some progress was made:
- Implemented proper AUTH LOGIN mechanism
- Implemented msgWriter for handling io
- Implemented proper mail header formatting/output
- Minor refactoring
2022-03-12 15:10:01 +01:00

30 lines
1.1 KiB
Go

package mail
import "errors"
// SMTPAuthType represents a string to any SMTP AUTH type
type SMTPAuthType string
// Supported SMTP AUTH types
const (
// SMTPAuthLogin is the "LOGIN" SASL authentication mechanism
SMTPAuthLogin SMTPAuthType = "LOGIN"
// SMTPAuthPlain is the "PLAIN" authentication mechanism as described in RFC 4616
SMTPAuthPlain SMTPAuthType = "PLAIN"
// SMTPAuthCramMD5 is the "CRAM-MD5" SASL authentication mechanism as described in RFC 4954
SMTPAuthCramMD5 SMTPAuthType = "CRAM-MD5"
)
// SMTP Auth related static errors
var (
// ErrPlainAuthNotSupported should be used if the target server does not support the "PLAIN" schema
ErrPlainAuthNotSupported = errors.New("server does not support SMTP AUTH type: PLAIN")
// ErrLoginAuthNotSupported should be used if the target server does not support the "LOGIN" schema
ErrLoginAuthNotSupported = errors.New("server does not support SMTP AUTH type: LOGIN")
// ErrCramMD5AuthNotSupported should be used if the target server does not support the "CRAM-MD5" schema
ErrCramMD5AuthNotSupported = errors.New("server does not support SMTP AUTH type: CRAM-MD5")
)