Pro tip: Use a seed list for testing. Advanced email marketers use seed lists, which are test email addresses across different email providers (e.g. Gmail, Yahoo etc). The goal is to measure inbox placement and fine-tune email deliverability across different email clients.
Best practices to improve your email deliverability
1. Clean your email list regularly
Think of your email list like a garden. You need to prune it regularly to keep it healthy. Similarly, cleaning your list frequently keeps it healthy, boost email deliverability.
By removing outdated or incorrect email addresses, you prevent hard bounces that can hurt your sender reputation. If you have too many bounced emails, email providers might start seeing you as spam.
Brevo does some of the hard work for you by automatically blacklisting emails that unsubscribe or bounce. These addresses won’t get any more emails from you, helping keep your list hygiene in top shape. You can also filter hard bounces right from your contacts page to stay on top of things.
Also, keep an eye on engagement levels. Got subscribers who haven’t opened Mom Phone Number Data emails in six months? Or maybe they’re MIA for a year? It may be time to remove them from your email list.
Inactive subscribers drag down your engagement rates, and that hurts your sender reputation in the eyes of email providers. The lower your engagement, the worse your deliverability gets.
Here’s why they might be ignoring your emails:
They’ve lost interest in your content.
Your emails are ending up in their spam folder.

They get too many emails and yours is lost in the crowd.
Before cutting them loose, though, send out a reactivation email. It’s a quick way to check if they’re still interested in what you have to offer. If they don’t open the email or bother to unsubscribe, it’s time to clean them out.
Brevo users can easily improve engagement rates by excluding unengaged contacts when sending an email. These are identified by a pre-defined segment. You’ll find the option in the campaign editor when selecting your contact list.
To further protect your list, consider setting up a double opt-in process as it confirms the subscriber actually wants to be on your list, and that their email addresses are valid. It’s an easy way to cut down on incorrect emails and avoid spam traps.
What’s a spam trap?
They’re email addresses set up by providers to catch spammers. Hitting one of these traps is a sign that you’re not following best practices, and you’ll likely get flagged as a spam.