Lacewing Journal
Category: Deliverability
Everything we have published in this topic. Sources cited, numbers checked, and our own products criticised where they deserve it.
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Does AI-written cold email hurt deliverability? What the evidence actually shows
No mailbox provider has ever documented penalising machine-written copy, and no independent study exists either way. What is documented: authentication, complaint thresholds, list decay, and which inbox is genuinely hard to reach.