Mailbox Providers Don't Want To Ruin Your Holidays

You see it all the time. From the highway crew that's out there taking away a lane or two for routine maintenance during rush hour on a major thoroughfare, to the retail store that closes down registers during peak hours, to the restaurant that has just a skeleton staff of cooks and servers on busy days like Mother's Day, businesses everywhere deal with their highest volume periods by making sure... Continue »

Return Path's Certified Whitelist – What's In It for Mailbox Providers?

Any mailbox provider familiar with Return Path knows that we establish partnerships with mailbox providers, and our end of that partnership is providing access to various products and services, including our Certified Whitelist. Email senders understand the benefits to them of being on our whitelist; in addition to getting access to placement data and auditing of their sending practices,... Continue »

Why You Should Take Advantage of SMTP over TLS

In my previous blog post, I introduced the topic of SMTP over TLS and discussed why it’s an important tool to use to protect the privacy of email communication. In that post, I wrote that you do not have to encrypt email at this time, but I promised that I would write a subsequent post arguing that you should do so. This is that post. How Much of My Mail Should I Encrypt? You might be an... Continue »

Toward Better Privacy in Email - SMTP over TLS

Electronic surveillance of email and other communications is unfortunately a fact of life these days. It seems that not a week goes by where we don’t hear some new report that “they” are listening to what we once thought to be our private messages and phone calls, and this has folks rightly concerned about just how much “they” might know. While there have been some extreme reactions to these... Continue »

Spamhaus DBL Changes Coming - What List Users Need to Know

Beginning on July 1, Spamhaus will be publishing new return codes for its DBL list. My colleague, Christine Borgia, has already blogged about its effect on senders, but I wanted to take a moment to discuss how consumers of the DBL might be impacted. The goal of the changes, which are shown in the table below, is to introduce more granularity to the response codes, and better identify the reason... Continue »