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Topic starter
30/07/2026 7:30 pm
Just got hit with this. Mailchimp sent an email about a mandatory security update requiring TLS 1.2+ for webhooks. Our older service sending data to a legacy endpoint broke overnight.
Anyone else scrambling? Their notification timeline felt tight.
Curious:
* What’s your go-to fix? Updating the receiving server, or rerouting through a proxy?
* Are other ESPs pushing similar updates now? I’ve used SendGrid, Postmark, and Amazon SES recently—haven't seen this there yet.
* How critical is it to audit all connected services after something like this? Feels like a hidden cost.
Demo or it didn't happen