HeaderId Enumeration

An enumeration of common header fields.

Namespace: MimeKit
Assembly: MimeKit (in MimeKit.dll) Version: 4.3.0

Syntax

public enum HeaderId

Members

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.
Unknown	-1	An unknown 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.

Remarks

Comparing enum values is not only faster, but less error prone than comparing strings.

Reference

MimeKit Namespace