Warmup advice for Gmail

Getting to the Gmail inbox in concept is simple: send mail people want to receive. For a well established mail program with warm IPs and domains, getting to the inbox in practice is simple. Gmail uses recipient interaction with email to determine if an email is wanted or not. These interactions are easy when mail is delivered to the inbox, even if the user has tabs enabled.
When mail is in the bulk folder, even if it’s wanted, users are less likely to interact with the mail. Senders trying to change their reputation to get back to the inbox face an uphill battle. This doesn’t mean it’s impossible to get out of the bulk folder at Gmail, it’s absolutely possible. I have many clients who followed my advice and did it. Some of these clients were simply warming up new IPs and domains and needed to establish a reputation. Others were trying to repair a reputation. In both cases, the fixes are similar.

When I asked colleagues how they handled warmup at Gmail their answers were surprisingly similar to one another. They’re also very consistent with what I’ve seen work for clients.

Warmup Advice

Start small. Gmail recommends starting out with 10 – 20 emails at a time. They mean it. You can send this low number of emails every few hours, so you’re not stuck at 10 emails per day. Do not try to send even 100 emails on your first send for a new IP / domain combination. That mail will end up in the bulk folder.
Send to hyper engaged users. Simple engagement isn’t enough. You need to mail those people who are going to miss your mail and track it down if it’s in the bulk folder.
Sign up for Postmaster tools.  Use the tools, Padawan.
Expect it to take 4 – 6 weeks to fully warm a mailstream at Gmail. It will feel very slow in the beginning, when you’re sending out 100 emails over 10 hours. But that’s the right way to warm at Gmail. Once you are getting that mail to the inbox then you can start doubling volume every few hours.
You will need to warmup each domain/IP pair individually. Don’t expect that you can take a warm IP and add a new domain, or even subdomain, and not have to go through warmup. You will. Don’t expect to take a warm domain and get good delivery off a new IP. Gmail is really focused on the overall reputation of the mailstream, and making changes will lower or reset reputation.
If you get into trouble, slow down and back off. Refocus on your engaged users.
Some senders see problems if the mix engaged and new users into the early streams of mail.
It’s not impossible to warmup a new IP at Gmail, but it is a little different than warmup at some other places. It may feel too slow and too frustrating, but keep at it with those engaged users and it will happen.
 

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Filtering by gestalt

One of those $5.00 words I learned in the lab was gestalt. We were studying fetal alcohol syndrome (FAS) and, at the time, there were no consistent measurements or numbers that would drive a diagnosis of FAS. Diagnosis was by gestalt – that is by the patient looking like someone who had FAS.
It’s a funny word to say, it’s a funny word to hear. But it’s a useful term to describe the future of spam filtering. And I think we need to get used to thinking about filtering acting on more than just the individual parts of an email.

Filtering is not just IP reputation or domain reputation. It’s about the whole message. It’s mail from this IP with this authentication containing these URLs.  Earlier this year, I wrote an article about Gmail filtering. The quote demonstrates the sum of the parts, but I didn’t really call it out at the time.

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From the archives: Taking Permission

From February 2010, Taking Permission.

Permission is always a hot topic in email marketing. Permission is key! the experts tell us. Get permission to send email! the ISPs tell us.
Marketers have responded by setting up processes to “get” permission from recipients before adding them to mailing lists. They point to their privacy polices and signup forms and say “Look! the recipient gave us permission.”
In many cases, though, the permission isn’t given to the sender, permission is taken from the recipient.
Yes, permission is being TAKEN by the sender. At the point of address collection many senders set the default to be the recipient gets mail. These processes take any notion of giving permission out of the equation. The recipient doesn’t have to give permission, permission is assumed.
This isn’t real permission. No process that requires the user to take action to stop themselves from being opted in is real permission. A default state of yes takes the actual opt-in step away from the recipient.
Permission just isn’t about saying “well, we told the user if they gave us an email address we’d send them mail and they gave us an email address anyway.” Permission is about giving the recipients a choice in what they want to receive. All too often senders take permission from recipients instead of asking for permission to be given.
Since that post was originally written, some things have changed.
CASL has come into effect. CASL prevents marketers from taking permission as egregiously as what prompted this post. Under CASL, pre-checked opt-in boxes do not count as explicit permission. The law does have a category of implicit permission, which consists of an active consumer / vendor relationship. This implicit permission is limited in scope and senders have to stop mailing 2 years after the last activity.
The other change is in Gmail filters. Whatever they’re doing these days seems to really pick out mail that doesn’t have great permission. Business models that would work a few years ago are now struggling to get to the inbox at Gmail. Many of these are non-relationship emails – one off confirmations, tickets, receipts. There isn’t much of a relationship between the sender and the recipient, so the filters are biased against the mail.
Permission is still key, but these days I’m not sure even informed permission is enough.

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Another way Gmail is different

I was answering a question on Mailop earlier today and had one of those moments of clarity. I finally managed to articulate one of the things I’ve known about Gmail, but never been able to explain. See, Gmail has never really put a lot of their filtering on the SMTP transaction and IP reputation. Other ISPs do a lot of the heavy lifting with IP filters. But not Gmail.
While I was writing the answer I realized something. Gmail was a late entrant into the email space. AOL, Hotmail, Yahoo, even the cable companies, were providing email services in the 90s. When spam started to be a problem, they started with IP based blocking. As technology got better and content filtering became viable, improvements were layered on top of IP based blocking.

Gmail didn’t enter the mailbox market until the 2000’s. When they did, they had money, lots of hardware, and internal expertise to do content filtering. They didn’t start with IP based filtering, so their base is actually content filtering. Sure, there were some times when they’d push some mail away from the MTAs, but most of their filtering was done after the SMTP transaction. The short version of this is I never really pay any attention to IP reputation when dealing with Gmail. It’s just another factor. Unless you’re blocked and if you get blocked by Gmail, wow, you really screwed up.
Gmail does, of course, do some IP based blocking. But in my experience IP filters are really only turned against really egregious spam, phishing and malicious mail. Most email marketers reading my blog won’t ever see IP filters at Gmail because their mail is not that bad.
Other companies aren’t going to throw away filters that are working, so the base of their filters are IPs. But Google never had that base to work from. Their base is content filters, with some IP rep layered on top of that.
That’s a big reason Gmail filters are different from other filters.

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