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.

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

  • Accept-Language

  • acceptLanguage (Note: This field is nonstandard. If possible, 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 overrides any Date header you provide with the time that Amazon SES accepts the message. The time zone of the Date header is UTC.)

  • 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 (Note: Amazon SES overrides any Message-ID header you provide.)

  • MIME-Version

  • Organization

  • Original-From

  • Original-Message-ID

  • Original-Recipient

  • Original-Subject

  • Precedence

  • Priority

  • References

  • Reply-To

  • Return-Path (Note: Amazon SES removes any Return-Path header you provide.)

  • Return-Receipt-To

  • Sender

  • Solicitation

  • Sensitivity

  • Subject

  • Thread-Index

  • Thread-Topic

  • User-Agent

  • VBR-Info