Everyone

Why is my lead magnet email going to spam?

Common causes: sending from a domain without proper authentication (SPF, DKIM, DMARC), using a free email address as the sender, attachments, spammy wording, or many links. Authenticate your domain in your email tool first.

Fix list

  • 1Authenticate domainSPF, DKIM, DMARC via your email tool.
  • 2Own-domain senderNot a free mailbox.
  • 3Link, not attachHost the PDF.
  • 4Plain, short emailFew links, clear subject.
  • 5Ask for a replyEngagement helps.

Most email tools have a step-by-step domain authentication guide. It is the single biggest fix for deliverability.

Read the full answer

Mailbox providers have tightened sender requirements; check your email tool’s current guidance. See subscribers not receiving the lead magnet.

Common follow-up questions

Does double opt-in help?

It keeps your list clean, which supports deliverability.

Gmail promotions tab?

Not spam, but less visible; a personal, plain email can help.

Updated 2026-11-15. General information; not legal, medical or financial advice.