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Fix reference for short certificate lifetimes #822

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viniciusgiles merged 1 commit into from
Feb 11, 2026
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Fix reference for short certificate lifetimes #822

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4 changes: 2 additions & 2 deletions content/docs/tech-resources/managed-https-for-tracking-domains.md
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Expand Up @@ -16,9 +16,9 @@ This is the recommended method for most senders. It requires no certificate mana

## Why HTTPS matters for Engagement Tracking

HTTPS has become essential for the web as cybersecurity standards evolve. Major browsers now [display warnings for insecure connections](https://security.googleblog.com/2025/10/https-by-default.html), which can negatively impact click-through rates and reduce recipient trust in your links. These security warnings may cause recipients to abandon your link destinations, affecting campaigns and your ability to measure engagement accurately.
HTTPS has become essential for the web as cybersecurity standards evolve. Major browsers now [display warnings for insecure connections](https://security.googleblog.com/2025/10/https-by-default.html), which reduce recipient trust in HTTP-only links. These security warnings may cause recipients to abandon your link destinations, negatively impacting click-through rates.

The industry is also moving toward [shorter certificate lifetimes](https://letsencrypt.org/2025/12/02/from-90-to-45). The maximum validity of TLS certificates will shrink to 47 days by 2029, making manual certificate management increasingly difficult and error-prone. Automation will no longer be optional.
The industry is also moving toward [shorter certificate lifetimes](https://www.digicert.com/blog/tls-certificate-lifetimes-will-officially-reduce-to-47-days). The maximum validity of TLS certificates will shrink to 47 days by 2029, making manual certificate management increasingly difficult and error-prone. Automation will no longer be optional.

**Managed HTTPS for Tracking Domains** addresses these challenges through automated certificate issuance and renewal, helping you maintain email deliverability, security, and user experience without requiring complex infrastructure or ongoing certificate management work.

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