Matus UHLAR - fantomas a écrit : >>> On 21.10.08 19:31, mouss wrote: >>>> Search for RMX (Reverse Mail eXchanger). >>>> >>>> didn't go far for now. > >>> Yes, was kinda superseded by SPF, > > On 22.10.08 15:49, mouss wrote: >> In my understanding, these are different concepts. In particular, RMX >> doesn't hijack the TXT record, which is one of the major sins of SPF. > > Yes, but they both were designed to do the same work. SPF however can do > more. TXT was used because nothing else could, at least I think so. >
Maybe. but hijacking the TXT record got many people against SPF. and it doesn't look like SPF is widespread. so the "compatibility"/-ease of deployment argument didn't really catch. >>> which may also require additional DNS queries :) >> sure, but this also prevents silly decisions by poor dns caching >> implementations (In particular, implementations that set a reputation >> based on one spf lookup). > > Hmm? hot... mail. This is one of the reasons I don't set SPF records anymore.