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From vs Reply-To: what's the difference

Flashissue lets you set two separate addresses on every email.

From Reply-To
What it does Who the email appears to come from Where replies go
Recipients see it Yes, in their inbox list and email header Only when they reply
Affects deliverability Yes. Spam filters check it against your domain's SPF, DKIM and DMARC Hardly
Must be verified Yes Yes
Default Your Google account address Your From address

Which should I change?

  • You want the email to look like it comes from your business: change From to an address on your business domain, and verify the domain. See Send as an alias or custom From address.
  • You're happy with your From but want replies handled by someone else: change only Reply-To. See Set a Reply-To address.
  • Your From is a Gmail, Yahoo or other free-mailbox address: those addresses often fail DMARC checks when another service sends for them. Consider a domain address as From, and keep your free address as Reply-To if you want replies there.

Older accounts

Flashissue used to have a single "From / Reply-To" setting. Addresses you verified there carry over and work for both fields.