There's probably nothing more painful than realizing that the email you carefully wrote and crafted never made it to your subscriber's inbox: it probably ended up in the spam folder, where it will never be read.
Deliverability in email marketing – the ability to get emails into your subscribers’ inboxes as intended – is a key metric. If your email doesn’t get to a usa consumer mobile number list place where it can be read, everything else is useless.
The spam filter
Regardless of what you do on your end to get an email to the recipient's inbox, it's each user's mailbox provider that makes the final decision on where your email should go: the inbox or the spam folder . That means if you're focused on improving deliverability, you need to understand it from the email provider's perspective.
All email providers have a spam filter, a mechanism that blocks incoming spam. Every incoming email has to go through the provider's spam filter , so bypassing the spam filter, by any means, is impossible. However, by following email marketing best practices, you can convince the spam filter that the email it has received from you is legitimate and not spam.
Factors that influence the deliverability of your emails
A study by ReturnPath suggests that 13.5% of all emails end up in the spam folder. You don't want your email campaign to be one of them.
Different spam filters use different rules to prevent unwanted emails from reaching recipients' inboxes. However, there are some common practices that all spam filters follow.
