Email greylisting: Difference between revisions
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'''Greylisting''' involves returning a temporary reject on the theory that only legitimate transmitters will retry after a temporary failure. | '''Greylisting''' involves returning a temporary reject on the theory that only legitimate transmitters will retry after a temporary failure. | ||
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On the other hand, a delay will always give more time for new sources to be blacklisted. | On the other hand, a delay will always give more time for new sources to be blacklisted. | ||
*[http://en.wikipedia.org/wiki/Greylisting Greylisting] | |||
Revision as of 23:46, 30 September 2009
- The content on this page originated on Wikipedia and is yet to be significantly improved. Contributors are invited to replace and add material to make this an original article.
Greylisting involves returning a temporary reject on the theory that only legitimate transmitters will retry after a temporary failure.
Greylisting is controversial as to its long-term effectiveness. If enough spam transmitters add retry capability, greylisting will be like a partially-effective anti-biotic. The pathogen population will mutate to a more resistant form.
On the other hand, a delay will always give more time for new sources to be blacklisted.