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Best Ad Servers for Associations and Email Newsletters (2027)

Associations and newsletter publishers need an ad server that serves ads reliably inside email, not just on websites. AdButler ranks first for its native email newsletter ad support, followed by Broadstreet.

Illustration representing best ad servers for associations and email newsletters

Disclosure: Best Ad Servers is published by the AdButler team. AdButler appears in these rankings. Scores follow our published methodology. Learn more.

Sort:Our rankingA–Z
#1

AdButler

Best for: Mid-size and enterprise publishers, multi-site media groups, newsletters and retail media networks that want an independent ad server with strong support.

AdButler is an independent, full-featured ad server that lets publishers traffic direct-sold display, native, video and email newsletter campaigns from one platform, without ties to a competing ad exchange. It scores highest overall in our methodology for its combination of neutrality, transparent pricing, a deep API and hands-on support.

  • Display
  • Native
  • Video (VAST)
  • Email newsletter
  • In-app
  • Sponsored listings
9.3/10 Read review
#2

Broadstreet

Best for: Local and community news publishers selling direct to local businesses.

Broadstreet is an ad server designed for local and independent news publishers, with simple trafficking and creative tools for direct-sold local advertisers. It is easy to use, but it is narrower in scope than general-purpose ad servers.

  • Display
  • Native
  • Email newsletter
  • Sponsored content
7.6/10 Read review
#3

Kevel

Best for: Engineering-led teams building custom ad products or retail media networks.

Kevel (formerly Adzerk) provides API-first ad serving infrastructure that engineering teams use to build custom ad platforms and retail media networks. It is a strong choice for companies with in-house developers, but it expects more technical work than turnkey ad servers.

  • Native
  • Display
  • Sponsored listings
  • Custom JSON ads
7.9/10 Read review
#4

AdSpeed

Best for: Small and mid-size publishers with simple direct-sold needs.

AdSpeed is a hosted ad server with straightforward published pricing, aimed at small and mid-size publishers that need reliable direct-sold ad serving without enterprise complexity.

  • Display
  • Text ads
  • Rich media
6.8/10 Read review

Last reviewed October 30, 2026. See the overall rankings and our methodology.

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