Disposable Email Address - "Poor Man's DEA"

"Poor Man's DEA"

The sub-addressing technique allows users to create DEAs using an existing email address without the need for a DEA service provider. (This does not rule out using this technique with a DEA service provider, so long as plus addressing is supported.) All that is required is for the email server to support plus addressing. A checkstring, which is optional, allows the mail transfer agent (MTA) to block attempts by spammers to bypass the DEA filtering. As an example, a static string or checksum that can be computed in one's head (or by a MTA with sieve or procmail) can be used as a checkstring that can be added to a DEA to evade spammers. As an example, can function as a hard-to-compromise "poor man's DEA". It is possible for a human (or a program) to extract the real email address just by removing everything after the plus; however it is considered unlikely that a program would bother going to this effort, since the vast majority of email addresses do not use this technique.

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