How many emails Should I send at a time? I have a list of 10,000 shoppers, is it safe to send all the shoppers email at a time? I don't want my email in spam, please suggest me the best practice.
What are deliverability best practices to prevent hitting the spam folder?
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Best answer by retention
Hi
I’m glad that you are thoughtful about your deliverability and trying to avoid being marked as a spammer. If you are just getting started with campaigns, you can do a number of things to “warm up” your account (and reputation) with the various inbox providers.
There’s a whole article here on Klaviyo you can follow to get started with a large audience. It assumes you’re migrating over to Klaviyo on a dedicated sending infrastructure, but you can follow the same principles:
In a nutshell, you can start by creating “Engagement Segments”
An engagement segment is simply segments of your users you define by their recent activity. For example, you can create a segment of people who have visited, opened/clicked, or made a purchase in the last 30 days. Subsequently, you can make additional “tiers” of engagement from 30-60 days, and 60-90 days and so on. Then, you can safely test your audience list against the first engagement, and look at the results. If the performance of those are good, you can move onto the next tier and so on until you reached the right balance of your audience reach and engagement performance.
Another method is to take a “Random Sample” of your audience to create a smaller list to test with. You can use Klaviyo’s “Sample Segments” which will randomly select from your main list:
If your results are good, you can create larger and larger segments until you’ve utilized the full audience based on the performance results.
The last question might be, what is a good engagement rate to continue to send to a list? Klaviyo lists a nice chart that shows what you *should* be aiming for. You can see that chart here:
![](https://uploads-us-west-2.insided.com/klaviyo-en/attachment/1ac0976f-bbef-498b-873b-b48afef22cc8.png)
- More info here: How to Monitor Email Deliverability Performance
Don’t forget, it ranges by industry, so another handy thing is to compare yourself to others in your industry with Klaviyo’s Benchmarking tool. Note, you may not have any Benchmark data until you’ve sent enough emails for Klaviyo to evaluate your performance.
Hope this helps!
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