Double opt-in email is a method used by One8MediaGroup’s marketing to confirm a user’s subscription to a mailing list or newsletter. It involves an additional step. To double opt-in users receive a confirmation email and must click a link or take another action to verify and confirm their subscription.

Double vs. Single Opt-in

Click here to see an example of a Call To Action (CTA) in a Zip- Site.

Value of double opt-in emails – several benefits:

Verification of Intent: Double opt-in ensures that the zip code site visitor genuinely wants to receive emails from you – the site sponsor.

  1. Higher Conversion Rates: Engaged Visitors who go through the double opt-in process are more likely engage with you – the sponsor. Resulting in: higher open rates, click-through rates, and overall better engagement metrics.
  2. Improved Deliverability: Email service providers (ESPs) may view double opt-in lists more favorably. Those contain verified and engaged subscribers. Double opt-in positively impacts email deliverability rates. The email being marked as spam is reduced.
  3. Compliance with Regulations: In some jurisdictions, email marketing regulations require explicit consent from subscribers. Double opt-in provides an additional layer of consent, helping businesses comply with anti-spam laws such as the CAN-SPAM Act in the United States.
  4. Reduced Bounce Rates: The likelihood of entering incorrect or fake email addresses is reduced -subscribers must confirm their email addresses. As a result you get a cleaner email list with fewer bouncing emails.
  5. Brand Credibility: The double opt-in process demonstrates transparency and respect for user preferences. By and large, it can enhance the sponsor’s credibility and reputation, as users are more likely to trust a brand that values their consent and communication preferences.

Click here to see an example of a Call To Action (CTA) on this site.


In conclusion, there are clear advantages to using double opt-in email. However it’s essential to consider the user experience and potential friction it may introduce. Some users might find the additional confirmation step cumbersome, leading to a drop-off in sign-ups. Those that agree to confirming are more likely to engage. Striking a balance between compliance and user experience is crucial for effective email marketing strategies.