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47 lines
1.9 KiB
Go
47 lines
1.9 KiB
Go
// SPDX-FileCopyrightText: 2022-2023 The go-mail Authors
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//
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// SPDX-License-Identifier: MIT
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package mail
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import "errors"
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// SMTPAuthType represents a string to any SMTP AUTH type
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type SMTPAuthType string
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// Supported SMTP AUTH types
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const (
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// SMTPAuthCramMD5 is the "CRAM-MD5" SASL authentication mechanism as described in RFC 4954
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SMTPAuthCramMD5 SMTPAuthType = "CRAM-MD5"
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// SMTPAuthLogin is the "LOGIN" SASL authentication mechanism
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SMTPAuthLogin SMTPAuthType = "LOGIN"
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// SMTPAuthNoAuth is equivalent to performing no authentication at all. It is a convenience
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// option and should not be used. Instead, for mail servers that do no support/require
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// authentication, the Client should not be used with the WithSMTPAuth option
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SMTPAuthNoAuth SMTPAuthType = ""
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// SMTPAuthPlain is the "PLAIN" authentication mechanism as described in RFC 4616
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SMTPAuthPlain SMTPAuthType = "PLAIN"
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// SMTPAuthXOAUTH2 is the "XOAUTH2" SASL authentication mechanism.
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// https://developers.google.com/gmail/imap/xoauth2-protocol
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SMTPAuthXOAUTH2 SMTPAuthType = "XOAUTH2"
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)
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// SMTP Auth related static errors
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var (
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// ErrPlainAuthNotSupported should be used if the target server does not support the "PLAIN" schema
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ErrPlainAuthNotSupported = errors.New("server does not support SMTP AUTH type: PLAIN")
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// ErrLoginAuthNotSupported should be used if the target server does not support the "LOGIN" schema
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ErrLoginAuthNotSupported = errors.New("server does not support SMTP AUTH type: LOGIN")
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// ErrCramMD5AuthNotSupported should be used if the target server does not support the "CRAM-MD5" schema
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ErrCramMD5AuthNotSupported = errors.New("server does not support SMTP AUTH type: CRAM-MD5")
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// ErrXOauth2AuthNotSupported should be used if the target server does not support the "XOAUTH2" schema
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ErrXOauth2AuthNotSupported = errors.New("server does not support SMTP AUTH type: XOAUTH2")
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)
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