An automated email warmup service connects your email account with hundreds or thousands of other customers to exchange emails back and forth, with the goal of gradually increasing send volume and building sender reputation. However, providers like Gmail and Outlook can detect these patterns — especially at higher volumes — which can trigger account suspensions, reduce deliverability, and expose your email content to other customers on the same platform.
Here are the key risks to understand before using one.
1. Ineffectiveness for many
Although these services pool your email with others, Google and Outlook can detect that your account is being manipulated by automation. While it may work well enough for small amounts of email, larger volumes tend to be less effective due to inbox providers recognizing common patterns among users. Plus, you have limited control over the warmup process itself.
2. Reduced functionality with ESPs
Do you use an Email Service Provider (ESP) like MailChimp, Klaviyo, or SendinBlue? Most warmup services aren’t compatible with these platforms. And, even the ones that do work with ESPs don’t send emails the same way you usually would, instead using SMTP or an API, which means the warmup results might not translate to “real” sends.
3. Public visibility of your email content
When connecting with a warmup service, you’re potentially letting your competitors or other customers see your emails and the content you’re sending. You can check this by looking at your sent emails folder to see who your emails have been sent to, or by looking at your inbox or archived emails, and seeing that content and from whom it was sent.
4. Security issues
Warmup services require full access to your email account which means you’re not only sharing access to all the emails you have ever sent but also all the emails you have received. This can include your customer list, sensitive information, and even personal data. While you may trust the company, can you be confident that none of their employees or contractors will conduct unauthorized activities or misuse your data? Also, are they based in a country with whom you are comfortable with, which follows international business law?
5. Lowered deliverability due to spammers
Spammers on the same warmup service can lessen the effectiveness of these services or even hurt your deliverability. Inbox providers can detect when multiple emails emanating from the same platform are warming up (regardless if you paste in your own template), flagging it as potential spam. As a result, using a shared warmup service can inadvertently harm your email campaign and deliverability.
6. Easily detectable non-human activity
While humans engaging with emails they receive is ideal, robotic engagement through APIs or automation can be easily detected, rendering the service significantly or totally ineffective. Moreover, your email account may be temporarily disabled if it is frequently accessed from various geographies or machines. Additionally, these services do not allow you to simulate a realistic sending process, where an email broadcast is sent and interacted with gradually over an extended period. This can lead inbox providers to recognize the automated nature of the engagement..
7. Cluttered inbox
Due to the services sending emails back and forth among multiple email accounts, your inbox may become cluttered with random messages and replies that are difficult to distinguish from genuine correspondence. Although some services allow you to include a code for filtering purposes, using a code can also be used as a trackable fingerprint for inbox providers to detect.
8. IP/Domain Repair Capabilities
If you do not necessarily need to warm up a new email account, but instead want to repair a damaged one with deliverability issues, most warmup services can’t do that. (Most don’t even pretend nor claim they do). This is because they don’t have the efficacy due to reasons mentioned above or simply not enough emails for large senders to send to make a difference.
Conclusion
So, while it may seem tempting to speed up the warming process with an automated email warmup service, the majority of these services have potential issues that may likely outweigh the benefits.
For a more trustworthy and reliable approach to improving your email deliverability, consider using InboxAlly, an email spam fix/warmup solution. Unlike other solutions, InboxAlly ensures your email content remains private and avoids many of the pitfalls associated with automated email warmup services.
The bottom line is: Weigh the pros and cons carefully before jumping on board with an automated email warmup service. Explore other alternatives like InboxAlly to determine what works best for you and your email marketing campaigns. And remember, the key to a successful email campaign is ensuring it reaches your recipients’ primary inboxes without jeopardizing your domain, IP address, and email security.
Darren Blumenfeld is the founder of InboxAlly, an email spam fix/warmup solution that avoids the pitfalls of other solutions.