Amazon Simple Email Service
Developer Guide (API Version 2010-12-01)
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Appendix: Header Fields

Amazon SES accepts any email headers that follow the format described in RFC 822.

Note

Although you can supply a Date header, Amazon SES always overrides the Date header with the time that Amazon SES enqueued the message. The time zone of the Date header is UTC.

The following fields cannot appear more than once in a header.

  • Accept-Language

  • acceptLanguage (This field is nonstandard. If possible, please use Accept-Language instead.)

  • Archived-At

  • Auto-Submitted

  • Bounces-to

  • Comments

  • Content-Alternative

  • Content-Base

  • Content-Class

  • Content-Description

  • Content-Disposition

  • Content-Duration

  • Content-ID

  • Content-Language

  • Content-Length

  • Content-Location

  • Content-MD5

  • Content-Transfer-Encoding

  • Content-Type

  • Date (Note: Amazon SES always overrides the Date header.)

  • Delivered-To

  • Disposition-Notification-Options

  • Disposition-Notification-To

  • DKIM-Signature

  • DomainKey-Signature

  • Errors-To

  • From

  • Importance

  • In-Reply-To

  • Keywords

  • List-Archive

  • List-Help

  • List-Id

  • List-Owner

  • List-Post

  • List-Subscribe

  • List-Unsubscribe

  • Message-Context

  • Message-ID

  • MIME-Version

  • Organization

  • Original-From

  • Original-Message-ID

  • Original-Recipient

  • Original-Subject

  • Precedence

  • Priority

  • References

  • Reply-To

  • Return-Path

  • Return-Receipt-To

  • Sender

  • Solicitation

  • Sensitivity

  • Subject

  • Thread-Index

  • Thread-Topic

  • User-Agent

  • VBR-Info