What Is an MX Record? How Email Verifiers Use It
An MX record is the DNS entry that points to a domain's mail server. Verifiers check it first: no MX record means no mail can arrive. Full guide below.
An MX record is the DNS entry that points to a domain's mail server. Verifiers check it first: no MX record means no mail can arrive. Full guide below.
Email validation vs verification: validation checks an address is formatted correctly, verification confirms the mailbox actually exists. See what each catches and which you need. Full comparison inside.
A role-based email like info@ or sales@ points to a team, not a person. See what they are, why verifiers flag them, and whether to send. Full guide below.
An SMTP check is how email verifiers confirm a mailbox exists: the tool pings the recipient mail server and reads its reply, without sending a real message.
Customer Acquisition Cost (CAC) is the total marketing and sales spend required to win one new customer. Calculated by dividing total acquisition spend by new…
A SaaS chargeback is a bank-enforced payment reversal that bypasses the vendor, governed by Visa and Mastercard dispute rules. Unlike a refund, a chargeback lets…
A pro-rated refund returns the unused portion of a paid SaaS subscription as cash or account credit when a user cancels before the billing period…
A SaaS money-back guarantee is a vendor promise to refund the subscription fee if a buyer cancels within a defined window, typically 14 to 30…
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