Michiel, I'd recommend you look at using a branded sub domain for your ESP ( esp.mycompany.com) and CRM (crm.mycompany.com) solutions - then you only need to authenticate against on vendor for each domain and not against multiple vendors in a single record.
~ Matt Vernhout Founder, Editor EmailKarma.net <http://s.wisestamp.com/links?url=http%3A%2F%2FEmailKarma.net> It's not the size of your list, it's how you use it! My profiles: [image: LinkedIn] <http://s.wisestamp.com/links?url=http%3A%2F%2Fbit.ly%2F18XusSi> [image: Facebook] <http://s.wisestamp.com/links?url=http%3A%2F%2Fbit.ly%2F1bSPqy0> [image: Twitter] <http://s.wisestamp.com/links?url=http%3A%2F%2Fbit.ly%2F16G2GFC> [image: WordPress] <http://s.wisestamp.com/links?url=http%3A%2F%2Fbit.ly%2F16G2Htm> [image: about.me] <http://s.wisestamp.com/links?url=http%3A%2F%2Fbit.ly%2FNrA4Ij> [image: Google Plus] <http://s.wisestamp.com/links?url=http%3A%2F%2Fbit.ly%2F1aqglmS> Latest news from EmailKarma.net: CASL Countdown: Week 5 – Forward to a Friend <http://s.wisestamp.com/links?url=http%3A%2F%2Ffeedproxy.google.com%2F~r%2FEmailKarma%2F~3%2FfR5GrLG030Q%2F> On Tue, Jun 3, 2014 at 3:13 AM, Michiel van de Vis via dmarc-discuss < [email protected]> wrote: > Hello everybody, > > As most of you will probably know, there is an limit on the number of DNS > lookups (10 lookups, a,mx,include,ptr,exists) while validating an SPF > record. > > I think it is good to have this limit, but is there a policy for third > party senders on how to setup a SPF record? > > For instance outlook.com (or spf.protection.outlook.com) uses 10 lookups > which makes it impossible for a sender to use both Outlook and a random > other third party (for instance an ESP or CRM) through an include. > > Some third party senders: > Outlook / Office 365 : 10 lookups > Google Apps: 3 lookups > Amazon SES: 0 lookups > > How do you feel about this and should there be a policy on this? > > Kindest regards, > > Michiel > > _______________________________________________ > dmarc-discuss mailing list > [email protected] > http://www.dmarc.org/mailman/listinfo/dmarc-discuss > > NOTE: Participating in this list means you agree to the DMARC Note Well > terms (http://www.dmarc.org/note_well.html) >
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