| Member name | Value | Description |
---|
| AcceptLanguage | 0 |
The Accept-Language header field.
|
| AdHoc | 1 |
The Ad-Hoc header field.
|
| AlternateRecipient | 2 |
The Alternate-Recipient header field.
|
| ApparentlyTo | 3 |
The Apparently-To header field.
|
| Approved | 4 |
The Approved header field.
|
| ArcAuthenticationResults | 5 |
The ARC-Authentication-Results header field.
|
| ArcMessageSignature | 6 |
The ARC-Message-Signature header field.
|
| ArcSeal | 7 |
The ARC-Seal header field.
|
| Archive | 8 |
The Archive header field.
|
| ArchivedAt | 9 |
The Archived-At header field.
|
| Article | 10 |
The Article header field.
|
| AuthenticationResults | 11 |
The Authentication-Results header field.
|
| Autocrypt | 12 |
The Autocrypt header field.
|
| AutocryptGossip | 13 |
The Autocrypt-Gossip header field.
|
| AutocryptSetupMessage | 14 |
The Autocrypt-Setup-Message header field.
|
| Autoforwarded | 15 |
The Autoforwarded header field.
|
| AutoSubmitted | 16 |
The Auto-Submitted header field.
|
| Autosubmitted | 17 |
The Autosubmitted header field.
|
| Base | 18 |
The Base header field.
|
| Bcc | 19 |
The Bcc header field.
|
| Body | 20 |
The Body header field.
|
| Bytes | 21 |
The Bytes header field.
|
| Cc | 22 |
The Cc header field.
|
| Comments | 23 |
The Comments header field.
|
| ContentAlternative | 24 |
The Content-Alternative header field.
|
| ContentBase | 25 |
The Content-Base header field.
|
| ContentClass | 26 |
The Content-Class header field.
|
| ContentDescription | 27 |
The Content-Description header field.
|
| ContentDisposition | 28 |
The Content-Disposition header field.
|
| ContentDuration | 29 |
The Content-Duration header field.
|
| ContentFeatures | 30 |
The Content-Features header field.
|
| ContentId | 31 |
The Content-Id header field.
|
| ContentIdentifier | 32 |
The Content-Identifier header field.
|
| ContentLanguage | 33 |
The Content-Language header field.
|
| ContentLength | 34 |
The Content-Length header field.
|
| ContentLocation | 35 |
The Content-Location header field.
|
| ContentMd5 | 36 |
The Content-Md5 header field.
|
| ContentReturn | 37 |
The Content-Return header field.
|
| ContentTransferEncoding | 38 |
The Content-Transfer-Encoding header field.
|
| ContentTranslationType | 39 |
The Content-Translation-Type header field.
|
| ContentType | 40 |
The Content-Type header field.
|
| Control | 41 |
The Control header field.
|
| Conversion | 42 |
The Conversion header field.
|
| ConversionWithLoss | 43 |
The Conversion-With-Loss header field.
|
| Date | 44 |
The Date header field.
|
| DateReceived | 45 |
The Date-Received header field.
|
| DeferredDelivery | 46 |
The Deferred-Delivery header field.
|
| DeliveryDate | 47 |
The Delivery-Date header field.
|
| DiscloseRecipients | 48 |
The Disclose-Recipients header field.
|
| DispositionNotificationOptions | 49 |
The Disposition-Notification-Options header field.
|
| DispositionNotificationTo | 50 |
The Disposition-Notification-To header field.
|
| Distribution | 51 |
The Distribution header field.
|
| DkimSignature | 52 |
The DKIM-Signature header field.
|
| DomainKeySignature | 53 |
The DomainKey-Signature header field.
|
| Encoding | 54 |
The Encoding header field.
|
| Encrypted | 55 |
The Encrypted header field.
|
| Expires | 56 |
The Expires header field.
|
| ExpiryDate | 57 |
The Expiry-Date header field.
|
| FollowupTo | 58 |
The Followup-To header field.
|
| From | 59 |
The From header field.
|
| GenerateDeliveryReport | 60 |
The Generate-Delivery-Report header field.
|
| Importance | 61 |
The Importance header field.
|
| InjectionDate | 62 |
The Injection-Date header field.
|
| InjectionInfo | 63 |
The Injection-Info header field.
|
| InReplyTo | 64 |
The In-Reply-To header field.
|
| Keywords | 65 |
The Keywords header field.
|
| Language | 66 |
The Language header.
|
| LatestDeliveryTime | 67 |
The Latest-Delivery-Time header.
|
| Lines | 68 |
The Lines header field.
|
| ListArchive | 69 |
THe List-Archive header field.
|
| ListHelp | 70 |
The List-Help header field.
|
| ListId | 71 |
The List-Id header field.
|
| ListOwner | 72 |
The List-Owner header field.
|
| ListPost | 73 |
The List-Post header field.
|
| ListSubscribe | 74 |
The List-Subscribe header field.
|
| ListUnsubscribe | 75 |
The List-Unsubscribe header field.
|
| ListUnsubscribePost | 76 |
The List-Unsubscribe-Post header field.
|
| MessageId | 77 |
The Message-Id header field.
|
| MimeVersion | 78 |
The MIME-Version header field.
|
| Newsgroups | 79 |
The Newsgroups header field.
|
| NntpPostingHost | 80 |
The Nntp-Posting-Host header field.
|
| Organization | 81 |
The Organization header field.
|
| OriginalFrom | 82 |
The Original-From header field.
|
| OriginalMessageId | 83 |
The Original-Message-Id header field.
|
| OriginalRecipient | 84 |
The Original-Recipient header field.
|
| OriginalReturnAddress | 85 |
The Original-Return-Address header field.
|
| OriginalSubject | 86 |
The Original-Subject header field.
|
| Path | 87 |
The Path header field.
|
| Precedence | 88 |
The Precedence header field.
|
| PreventNonDeliveryReport | 89 |
The Prevent-NonDelivery-Report header field.
|
| Priority | 90 |
The Priority header field.
|
| Received | 91 |
The Received header field.
|
| ReceivedSPF | 92 |
The Received-SPF header field.
|
| References | 93 |
The References header field.
|
| RelayVersion | 94 |
The Relay-Version header field.
|
| ReplyBy | 95 |
The Reply-By header field.
|
| ReplyTo | 96 |
The Reply-To header field.
|
| RequireRecipientValidSince | 97 |
The Require-Recipient-Valid-Since header field.
|
| ResentBcc | 98 |
The Resent-Bcc header field.
|
| ResentCc | 99 |
The Resent-Cc header field.
|
| ResentDate | 100 |
The Resent-Date header field.
|
| ResentFrom | 101 |
The Resent-From header field.
|
| ResentMessageId | 102 |
The Resent-Message-Id header field.
|
| ResentReplyTo | 103 |
The Resent-Reply-To header field.
|
| ResentSender | 104 |
The Resent-Sender header field.
|
| ResentTo | 105 |
The Resent-To header field.
|
| ReturnPath | 106 |
The Return-Path header field.
|
| ReturnReceiptTo | 107 |
The Return-Receipt-To header field.
|
| SeeAlso | 108 |
The See-Also header field.
|
| Sender | 109 |
The Sender header field.
|
| Sensitivity | 110 |
The Sensitivity header field.
|
| Solicitation | 111 |
The Solicitation header field.
|
| Status | 112 |
The Status header field.
|
| Subject | 113 |
The Subject header field.
|
| Summary | 114 |
The Summary header field.
|
| Supersedes | 115 |
The Supersedes header field.
|
| TLSRequired | 116 |
The TLS-Required header field.
|
| To | 117 |
The To header field.
|
| UserAgent | 118 |
The User-Agent header field.
|
| X400ContentIdentifier | 119 |
The X400-Content-Identifier header field.
|
| X400ContentReturn | 120 |
The X400-Content-Return header field.
|
| X400ContentType | 121 |
The X400-Content-Type header field.
|
| X400MTSIdentifier | 122 |
The X400-MTS-Identifier header field.
|
| X400Originator | 123 |
The X400-Originator header field.
|
| X400Received | 124 |
The X400-Received header field.
|
| X400Recipients | 125 |
The X400-Recipients header field.
|
| X400Trace | 126 |
The X400-Trace header field.
|
| XMailer | 127 |
The X-Mailer header field.
|
| XMSMailPriority | 128 |
The X-MSMail-Priority header field.
|
| XPriority | 129 |
The X-Priority header field.
|
| XStatus | 130 |
The X-Status header field.
|
| Unknown | -1 |
An unknown header field.
|