14 Mar
2011
14 Mar
'11
6:21 p.m.
Rene Luria operator@infomaniak.ch wrote:
As a conclusion, if you care enough for your customers, you _should_ publish accurate SPF records for their (your) domains, whether you use SPF in your filtering techniques or not.
But doing so increases the likelihood of SPF being perceived as "widely implemented among reasonable ISPs" and hence being a reasonable thing for base filtering on. Given how broken SPF is by design, that is definitely not a good side effect.
IMO it's more reasonable to use *only* DKIM and encourage others to do the same.
Greetings, Norbert