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Various anti-spam techniques are used to prevent email spam (unsolicited bulk email).. No technique is a complete solution to the spam problem, and each has trade-offs between incorrectly rejecting legitimate email (false positives) as opposed to not rejecting all spam email (false negatives) – and the associated costs in time, effort, and cost of wrongfully obstructing good mail.
Carbon copy can be used as a transitive verb with the meaning described under e-mail below related to the CC field of an e-mail message. That is, to send the message to additional recipients beyond the primary recipient. It is common practice to abbreviate the verb form, and many forms are used, including cc and cc:.
An email inbox containing a large amount of spam messages. Spamming is the use of messaging systems to send multiple unsolicited messages (spam) to large numbers of recipients for the purpose of commercial advertising, non-commercial proselytizing, or any prohibited purpose (especially phishing), or simply repeatedly sending the same message to the same user.
Image spam, or image-based spam, [14] [15] is an obfuscation method by which text of the message is stored as a GIF or JPEG image and displayed in the email. This prevents text-based spam filters from detecting and blocking spam messages. Image spam was reportedly used in the mid-2000s to advertise "pump and dump" stocks.
According to the book Spycatcher [8] by Peter Wright (published in 1987), the technique is standard practice that has been used by MI5 (and other intelligence agencies) for many years, under the name "barium meal test". A barium meal test is more sophisticated than a canary trap because it is flexible and may take many different forms.
This method is used when captioning video in real-time such as for live events, where a sequential word-by-word captioning process is needed or a pre-made intermediary file isn't available. This method is signaled on EIA-608 by a two-byte caption command or in Teletext by replacing rows for a roll-up effect and duplicating rows for a paint-on ...
A blind carbon copy (abbreviated Bcc) is a message copy sent to an additional recipient, without the primary recipient being made aware.This concept originally applied to paper correspondence and now also applies to email. [1] "
Cc: Carbon copy; Many email clients mark email in one's inbox differently depending on whether they are in the To: or Cc: list. Bcc: Blind carbon copy; addresses are usually only specified during SMTP delivery, and not usually listed in the message header. Content-Type: Information about how the message is to be displayed, usually a MIME type.