Email Deliverability and Email Checker
How a list checker and good sending practices work together to keep your emails in the inbox.
Deliverability is the share of your emails that reach the inbox rather than the spam folder or nowhere at all. Two things decide most of it: who you send to and how you send.
Who you send to
Providers watch hard bounces and spam complaints. An email checker keeps invalid, disposable and risky addresses off the list, which is the biggest lever on bounce rate.
How you send
- Authenticate your domain with SPF, DKIM and DMARC.
- Keep volume steady; sudden spikes look like abuse.
- Make unsubscribing easy so unhappy readers do not click "spam".
- Send content people expect and relevant segments only.
Where the checker fits
Run it before every large send and on every new import. It handles the list side so the rest of your effort goes into content and timing.
Signs of a deliverability problem
Falling open rates, rising bounces, messages missing from seed inboxes or delays at Gmail and Outlook. If you see them, clean the list first, then check authentication.
Clean your list before you send
Verify 100 email addresses free every month. Plans start at $19.90 a month for 25,000 verifications.