Practical guides on email verification, authentication, and list hygiene — so your emails land in the inbox.
SPF, DKIM and DMARC are the three pillars of email authentication. Without them, your emails may be flagged as spam or rejected. This guide explains each protocol and how to set them up correctly.
A catch-all domain accepts email for any address, regardless of whether the mailbox exists. This makes verification difficult. Learn what catch-all means for your sending strategy.
A dirty email list costs you money and damages your sender reputation. Here's a practical step-by-step guide to cleaning your list and keeping it clean going forward.
Not all bounces are equal. A hard bounce means a permanent delivery failure, while a soft bounce is temporary. Learn how each type affects your sender reputation and what to do about them.
Email verification is the process of confirming that an email address is valid, properly formatted, and capable of receiving messages. Learn how it works and why it matters.
Email deliverability determines whether your emails reach the inbox or the spam folder. It depends on sender reputation, authentication, list quality and content. Here's how to improve all four.
Use Easy Email Verification — real SMTP verification, blacklist monitoring, DMARC checks and more.