New Email headers metadata field

Portrait of Sylvain Josserand
by Sylvain Josserand
1 mins read
Last updated on

A new Headers metadata field is now available that allows you to extract all email SMTP headers in one go.

A screen capture of SMTP Email
SMTP Email headers can now be extracted as an new extra field called Headers

Here is a list of all official (per RFC) header names that can be found in emails:

  • Accept-Language
  • Alternate-Recipient
  • ARC-Authentication-Results
  • ARC-Message-Signature
  • ARC-Seal
  • Archived-At
  • Authentication-Results
  • Auto-Submitted
  • Autoforwarded
  • Autosubmitted
  • Bcc
  • Cc
  • Comments
  • Content-Identifier
  • Content-Return
  • Conversion
  • Conversion-With-Loss
  • Date
  • Deferred-Delivery
  • Delivery-Date
  • Discarded-X400-IPMS-Extensions
  • Discarded-X400-MTS-Extensions
  • Disclose-Recipients
  • Disposition-Notification-Options
  • Disposition-Notification-To
  • DKIM-Signature
  • DL-Expansion-History
  • Downgraded-Bcc
  • Downgraded-Cc
  • Downgraded-Disposition-Notification-To
  • Downgraded-Final-Recipient
  • Downgraded-From
  • Downgraded-In-Reply-To
  • Downgraded-Mail-From
  • Downgraded-Message-Id
  • Downgraded-Original-Recipient
  • Downgraded-Rcpt-To
  • Downgraded-References
  • Downgraded-Reply-To
  • Downgraded-Resent-Bcc
  • Downgraded-Resent-Cc
  • Downgraded-Resent-From
  • Downgraded-Resent-Reply-To
  • Downgraded-Resent-Sender
  • Downgraded-Resent-To
  • Downgraded-Return-Path
  • Downgraded-Sender
  • Downgraded-To
  • Encoding
  • Encrypted
  • Expires
  • Expiry-Date
  • From
  • Generate-Delivery-Report
  • Importance
  • In-Reply-To
  • Incomplete-Copy
  • Keywords
  • Language
  • Latest-Delivery-Time
  • List-Archive
  • List-Help
  • List-ID
  • List-Owner
  • List-Post
  • List-Subscribe
  • List-Unsubscribe
  • List-Unsubscribe-Post
  • Message-Context
  • Message-ID
  • Message-Type
  • MMHS-Acp127-Message-Identifier
  • MMHS-Codress-Message-Indicator
  • MMHS-Copy-Precedence
  • MMHS-Exempted-Address
  • MMHS-Extended-Authorisation-Info
  • MMHS-Handling-Instructions
  • MMHS-Message-Instructions
  • MMHS-Message-Type
  • MMHS-Originator-PLAD
  • MMHS-Originator-Reference
  • MMHS-Other-Recipients-Indicator-CC
  • MMHS-Other-Recipients-Indicator-To
  • MMHS-Primary-Precedence
  • MMHS-Subject-Indicator-Codes
  • MT-Priority
  • Obsoletes
  • Organization
  • Original-Encoded-Information-Types
  • Original-From
  • Original-Message-ID
  • Original-Recipient
  • Original-Subject
  • Originator-Return-Address
  • PICS-Label
  • Prevent-NonDelivery-Report
  • Priority
  • Received
  • Received-SPF
  • References
  • Reply-By
  • Reply-To
  • Require-Recipient-Valid-Since
  • Resent-Bcc
  • Resent-Cc
  • Resent-Date
  • Resent-From
  • Resent-Message-ID
  • Resent-Reply-To
  • Resent-Sender
  • Resent-To
  • Return-Path
  • Sender
  • Sensitivity
  • Solicitation
  • Subject
  • Supersedes
  • TLS-Report-Domain
  • TLS-Report-Submitter
  • TLS-Required
  • To
  • VBR-Info
  • X400-Content-Identifier
  • X400-Content-Return
  • X400-Content-Type
  • X400-MTS-Identifier
  • X400-Originator
  • X400-Received
  • X400-Recipients
  • X400-Trace

Custom headers should start with the prefix X- if they are not part of the officially sanctioned headers.

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