Category: Mailing List Hygiene

What Do You Do When Someone On Your Mailing List Gets a New Email Address?

Often the way that you find out that a user’s email address is no longer valid is that you get a bounce back (”user not found”). But sometimes a user will switch email addresses, and they will actually try …

Not All Permission Pass Systems are the Same - or Safe!

date 07 Nov 2008 | category Mailing List Hygiene

We recently had a customer contact us to ask us whether a particular vendor’s Permission Pass system was legitimate, because to them it seemed to cross the line. Smart customer! Because, in fact, this particular vendor (no, I’m …

The Bottom Line: Spam Complaints = Getting Junkfoldered and Blocked

We regularly get questions and comments, both in the course of our business day, and in casual conversation, which make clear that there is something that people just aren’t getting - so here it is, put as plainly and clearly …

ISPs Inserting Bounce Messages in Your Mail Logs and NOT Sending Them by Email

Most legitimate mail senders know to process bounce messages. This means that if they get what is called a “hard bounce” for an email address on their list (meaning that the bounce tells them that the email address simply …