Validate a list of 10,000 emails without SMTP for about $10

Before you import a lead list or send a campaign, you want to drop the junk: typos, fake domains, throwaway inboxes. Many verifiers do this by opening SMTP connections to each mail server, which is slow and often gets IPs blocked. A cheaper first pass skips SMTP and checks everything you can know from the address and DNS alone. This post shows how... Weiterlesen: Validate a list of 10,000 emails without SMTP for about $10