[SAC] Fwd: Let's Encrypt certificate expiration notice for domain "europe.foss4g.org"

[Alex Mandel]

-------- Forwarded Message --------
Subject: Let's Encrypt certificate expiration notice for domain 
"europe.foss4g.org"
Date: Tue, 12 Mar 2019 08:43:00 +0000
From: Let's Encrypt Expiry Bot <expiry at letsencrypt.org>
To: sysadmin at osgeo.org

Hello,

Your certificate (or certificates) for the names listed below will 
expire in 19 days (on 01 Apr 19 08:37 +0000). Please make sure to renew 
your certificate before then, or visitors to your website will encounter 
errors.

We recommend renewing certificates automatically when they have a third 
of their
total lifetime left. For Let's Encrypt's current 90-day certificates, 
that means
renewing 30 days before expiration. See
https://letsencrypt.org/docs/integration-guide/ for details.

europe.foss4g.org

For any questions or support, please visit 
https://community.letsencrypt.org/. Unfortunately, we can't provide 
support by email.

If you are receiving this email in error, unsubscribe at 
http://mandrillapp.com/track/unsub.php?u=30850198&id=ab1df6692804421da615f914e8725fd6.0Gw5Ws05ooWyIbR1SXseZZ85vtk%3D&r=https%3A%2F%2Fmandrillapp.com%2Funsub%3Fmd_email%3Dsysadmin%2540osgeo.org

You may need to update your client to the latest version in case it is 
still using the deprecated TLS-SNI-01 validation method. 
https://community.letsencrypt.org/t/february-13-2019-end-of-life-for-all-tls-sni-01-validation-support/74209

Step-by-step instructions for updating Certbot are here: 
https://community.letsencrypt.org/t/how-to-stop-using-tls-sni-01-with-certbot/83210

Regards,
The Let's Encrypt Team