Acme_do_auth failed

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I have a windows server that is running Surgemail and i have opened ports (80, 443) and i continue to get the challenge error. I do block countries and only allow the US as this is a personal mail server. I would like to see if anyone can help with this issue.
Thanks in advance.
Frank V.

My domain is: myfnsv.com

I ran this command: tellmail ssl_update

It produced this output: Challenge: error: 64.88.192.206: Fetching http://mail.myfnsv.com/.well-known/acme-challenge/UWo9QvKqllSne0ruiUmHmhQGaoRsR7uukrD2Bg8BTzw: Timeout during connect (likely firewall problem)
acme_do_auth failed mail.myfnsv.com
Update finished, 0 good, 1 bad

My web server is (include version): Surgemail Version 7.7i-1, Platform Windows

The operating system my web server runs on is (include version): Windows Server 2016 Standard

My hosting provider, if applicable, is: SmartCom Internet

I'm using a control panel to manage my site (no, or provide the name and version of the control panel): Surgemail

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): Surgemail

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Geoblocking is unlikely to be compatible with Let’s Encrypt’s validation system. As a first step, it would be best to either turn that off, or use the DNS-01 method for validation.

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i will give that a try.

thanks

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You could also try Geo/WhatEverYouWant blocking HTTPS [but not HTTP].
And [forcibly] redirect all HTTP to HTTPS [except for the LE certificate challenge requests].

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