Six best practices for every mailer

People get into all sorts of details when talking about best practices. But so much of email depends on the type of email and the target market and the goals of the sender. It’s difficult to come up with universal best practices.
I’ve said in the past that I think that best practices are primarily technical. I don’t believe there is a best frequency or a best time to send mail or a best image to text ratio.
My top 6 best practices every marketer should be doing (and too few are).

  1. Send technically correct email. That means finding a developer who understands the various email related RFCs including 5321 and 5322 as well as the MIME standard, HTML standards and encoding standards. Don’t rely solely on your vendor to create a correct email for you.
  2. Stop sending mail to non-existent or abandoned email addresses. This means correctly handling addresses that bounce and implementing some sort of data hygiene that’s appropriate for your lists and market segments.
  3. Use VERP in your mail strings. VERP means each email is tagged with the subscriber, list, and even mailing. Having that data encoded in the headers allows troubleshooting, bounce processing and FBL processing much, much easier.
  4. Send only opt-in mail. I know a lot of people argue permission is passé but I don’t believe that is true. ISPs, receivers and filtering companies don’t like it when you send mail without permission.
  5. Be up front with recipients how you’re going to use their email address. Don’t hide the opt-in language in your privacy policy.
  6. Send a welcome message. Introduce yourself, introduce your program, get your message in front of your new subscriber as soon as possible after they subscribed. They’re interested in what you have to offer, get into their inbox ASAP to engage them before they move on.

How you implement these practices depends on your particular infrastructure, goals and recipient base. Mailers should, though, have appropriate implementations of practices.

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Don't take my subscribers away!

Tom Sather has a good summary of the problems with inactive email addresses and why data hygiene is critical to maintain high deliverability. These recommendations are some of the most difficult to convince people to implement.
Some of my clients even show me numbers that show that a recipient that hadn’t opened or read and email in 18 months, suddenly made a multi-hundred dollar purchase. Another client had clear numbers that showed even recipients that didn’t open for an entire year were responsible for 10% of revenue.
They tell me I can’t expect them to let their customers go. These are significant amounts of money and they won’t let any potential revenue go without a fight.
I understand this, I really do. The bottom line numbers do make it tough to argue that inactive subscribers should be removed. Particularly when the best we can offer is vague statements about how delivery may be affected by sending mail to unengaged users.
I don’t think many senders realize that when they talk about unengaged users they are actually talking about two distinct groups of recipients.
The first group is that group of users that actively receive email, but who aren’t opening or reading emails from particular senders. This could be because of their personal filters, or because the mail is going to the bulk folder or even simply because they don’t load images by default. This is the pool that most senders think of when they’re arguing against removing unengaged users.
The second group is that group of users that never logs in ever. They have abandoned the email address and never check it. I wrote a series of posts on Zombie Emails (Part 1, 2, 3) last September, finishing with suggestions on how to fight zombie email addresses.
Unlike senders ISPs can trivially separate the abandoned accounts from the recipients who just don’t load images. Sending to a significant percentage of zombie accounts makes you look like a spammer. Not just because spammers send mail to really old address lists, but a number of spammers pad their lists with zombie accounts in order to hide their complaint rates. The ISPs caught onto this trick pretty quickly and also discovered this was a good metric to use as part of their filtering.
I know it’s difficult to face the end of any relationship. But an email subscription isn’t forever and if you try to make it forever then you may face delivery problems with your new subscribers.

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End of quarter spam

There has been a plethora of big brand companies doing stupid stuff with marketing recently. I can only figure it’s end of quarter and everyone is looking to pump up their numbers as fast as possible.
I talked about Millenium hotels sending me with an utterly irrelevant ad earlier this week.
@Yahoomail direct message spammed all their twitter followers with an ad for something related to the new Yahoo mail product.
Anyone watching my twitter feed yesterday probably noticed me complaining about spam from Dell.
All of these things are just examples of sloppy marketing. In Dell’s case it’s even worse because they sent me multiple copies of the spam to different addresses. Two copies of the same “SHOP NOW!” email to different addresses, one of which has never been given to Dell.
Mail to the first address is unquestionably spam and I did send in a complaint to Dell’s ESP. That address is never used to sign up for anything. I did try clicking on the “update your subscription” link in the footer and Dell’s website helpfully told me that address was not on their mailing lists. Looks like Dell bought a list.
The second address is one that was involved with the purchase of software from Dell last July. This is the first non-transactional mail sent to that address. I can’t necessarily call the email spam as I did give it to Dell during the course of a transaction. However, Dell could have done a lot better in managing our “relationship” than they did.
Dell collected my email address as part of a transaction in July 2010. They did not start sending marketing mail to this address until May 2011. While Dell is a major brand and most people would recognize the name and may be a little less inclined to hit “this is spam” waiting 10 months between a purchase and regular mailings is a bad idea.  People who don’t use tagged addresses may forget they gave the sender an email address and automatically send in a spam complaint.
Sitting on an address for 10 months means Dell really should have done a welcome series, or even just a single welcome email, to ease the transition from no mail to regular mail. But, no, they just send me an email advertising their sales.
We’ve been Dell customers for quite a while, and all of our purchases have been enterprise grade hardware or software to run on those servers. We’ve never purchased anything remotely like office computers. But the sales flyer was for desktops, printers and monitors. Dell knows what I purchased from there, so why are they sending me ads for things I’ve never bought?
We have our own Dell sales rep, and my only involvement in the transaction is source of payment. Adding me to a product list really feels like spam.
Then there was the email itself.  The “update your subscription” link was broken and told me I wasn’t subscribed to their list. I mentioned it to Steve and he pointed out that particular link had been broken “forever.” How long has it been since anyone inside of Dell has checked that their footer links work?
What is Dell up to? Who knows. But they unarguably are sending mail to addresses that never opted in. And even if you consider an email giving during a purchase process their handling of that particular address was appalling and in violation of almost every good practice out there.
 

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Size isn't the only metric

MarketingSherpa has a case study up today about a company that took an aggressive stance on re-engagement that reduced their house list size by over 95%. While the size of the list went down, online sales doubled.
The whole article is a lesson in how to do email right. They are sending relevant and engaging mail to their subscribers. They kept the addresses of people who wanted the mail, but designed a new program from the ground up. All of the key points I, and others, keep talking about is present in their new program.

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