You Heard It Here First, Part II Tomorrow, Return Path is going to announce that we have acquired the Bonded Sender Program from IronPort Systems (the release is here). As usual, I’m happy to pre-announce M&A activity on my blog in exchange for a moment of self-promotion. Bonded Sender is the industry’s oldest, best known, and most effective whitelist/accreditation program. In a nutshell, it’s a bitch for mailers to qualify for it — they have to demonstrate that they’re a super high quality mailer and get certified by our partner TrustE — but once they do, they have relatively guaranteed safe passage and default images into the inbox at Microsoft (Hotmail and MSN), Roadrunner, and a number of smaller ISPs…