Rfc 2822

  • Why and How to Verify Your Email Marketing Lists

    …. Internet Service Providers (ISPs) block Email Service Providers (ESPs)… and then ESPs are forced to block clients. It’s not as simple as double opt-in in the industry. Sites like ours work with partners on shared campaigns with vendors and clients. We don’t give them access to our list, but many times we collect email addresses together to execute…

    Douglas Karr/ Marketing Technology Blogin EMail How To's- 31 readers -
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