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has the ability to insert custom fields into the header of both email and Usenet messages. This feature must be manually enabled by editing the mailnews.js file (instructions are included in the .js file). However, custom fields are not automatically inserted into messages by
Thunderbird - the user
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debuted in 1995. DejaNews was the first large-scale commercial attempt to archive the Usenet news feed, and several newsgroup participants were concerned about privacy rights and about the possibility that their messages could be re-posted through DejaNews in the future. DejaNews addressed these
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Some software systems also do not archive if the first line in the body of the message contains this text. This is useful for those users who cannot change the header of messages they send out. If the X-No-Archive field is set to "No", or the field is absent, a Usenet archive will not recognize a
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so that they can be ignored by news servers and newsreaders. The phrase "No
Archive" was coined as a way to state "Do not archive this message," and the X- prefix was added to complete the term
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Points out that—despite X-No-Archive—replies to your posts can quote you, and can mention your email address, and are archived by default.
74:), news reader software allows a user to add optional fields to a header. According to RFC 822, these additional fields are prefixed with the label
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protocol, RFC 1036 and RFC 977, used in existing newsgroups. In addition to the standard header fields used in all newsgroup messages (including
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concerns by announcing that it would not archive Usenet messages containing the X-No-Archive header field.
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The proper field to prevent a message from being archived is:
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Many popular newsreader and posting software programs, such as
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supports XNA; archiving is suppressed for any value of
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62:X-No-Archive was designed to follow the standard
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150:The online service mail-archive.com supports
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29:message header field used to prevent a
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94:prohibition on archiving the message.
49:The need for X-No-Archive began when
195:Mailman Archiving Options, Feb. 2015
234:"X-No-Archive considered pointless"
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217:mail-archive.com FAQ, Feb. 2015
102:When DejaNews was purchased by
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21:, also known colloquially as
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68:Path:, From:, Subject:,
124:Mail archive software
206:Gmane FAQ, Feb. 2015
117:Mozilla Thunderbird
33:message from being
232:Harris, Stephen.
153:X-No-Archive: yes
145:X-No-Archive: yes
87:X-No-Archive: Yes
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237:. Retrieved
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58:How it works
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129:GNU Mailman
111:Forté Agent
37:in various
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171:References
239:23 August
27:newsgroup
159:See also
51:DejaNews
35:archived
39:servers
25:, is a
259:Usenet
104:Google
45:Origin
31:Usenet
264:Email
140:Gmane
72:Date:
241:2012
70:and
23:xna
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76:X-
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