wp-content » plugins » Error connecting to Mailchimp: 0 cURL error 28: Failed to connect to us17.api.mailchimp.com port 443 after 7207 ms: Couldn’t connect to server

Error connecting to Mailchimp: 0 cURL error 28: Failed to connect to us17.api.mailchimp.com port 443 after 7207 ms: Couldn’t connect to server

2023 04 27 11 26 1024x365 - Error connecting to Mailchimp: 0 cURL error 28: Failed to connect to us17.api.mailchimp.com port 443 after 7207 ms: Couldn't connect to server
Error connecting to Mailchimp: 0 cURL error 28: Failed to connect to us17.api.mailchimp.com port 443 after 7207 ms: Couldn’t connect to server

Error connecting to Mailchimp: 0 cURL error 28: Failed to connect to us17.api.mailchimp.com port 443 after 7207 ms: Couldn’t connect to server

If none of the suggested solutions form this guide work: https://www.mc4wp.com/kb/solving-connectivity-issues/

Try to manually connect from your hosting server to the MailChimp server.

First, try curl:

curl us17.api.mailchimp.com:443

if that fails, do traceroute (MTR) to see where precisely on the network the connection gets refused:

mtr us17.api.mailchimp.com
curl mtr 1024x149 - Error connecting to Mailchimp: 0 cURL error 28: Failed to connect to us17.api.mailchimp.com port 443 after 7207 ms: Couldn't connect to server
mtr us17.api.mailchimp.com

In my case, the connection gets lost on some DC in Austria over which I have no control whatsoever, so all I can do is forward these MTR results to both MailChimp support and my Hosting provider.

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