Interested in measuring your engagement with major ESPs like Google, Yahoo, Microsoft and Apple?
The idea is to use the Advanced search and create a mailing list of subscribers that use specific email addresses. Here is how (click to enlarge):
Here is a list of the most popular domains.
The list is indicative. You may also include more localized services depending on your region.
Google (Gmail)
Microsoft (Outlook / Hotmail / Live)
Microsoft maintains many legacy domains for compatibility.
Apple (iCloud Mail)
Yahoo
AOL (Now part of Yahoo/Verizon)
Fastmail
Proton Mail
Zoho Mail
GMX / Mail.com (United Internet)
Yandex Mail
Tutanota
Popular email providers in Germany
In this article you will learn,
Warming up your new domain, SMTP server or IP will strengthen your sending reputation and improve your inbox deliverability.