SuretyMail

Data correct as of July, 2008 | Post to del.icio.us

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Key reading: Should I certify my emails?
Other certification services:
Overview | Habeas SafeList | CertifiedEmail | Sender Score Certified

(Please visit the service's website for up-to-date information)

Website: Link

Main location: Santa Clara, CA , USA

Description: SuretyMail is an accreditation service run by ISIPP (the Institute for Spam and Internet Public Policy). It does not work like a whitelist. Instead, it publishes data about accredited email senders which ISPs and others then use to make fairer decisions about where to route that email.

Accreditation is based on an evaluation of "your mailing policies, processes and practices" and requires a non-refundable application fee. Monthly fees then apply to remain accredited, though these are capped at $200 for individual senders.

Benefits: Improved inbox delivery rates for those ISPs, anti-spam technologies etc. using the SuretyMail data.

Reach: "...all the top ISPs and most of the major spam filters like SpamAssassin."

In their own words:

See this interview with ISIPP's CEO and President Anne Mitchell.