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Inviting everyone to the UX test of a new security feature in the WP Toolkit
For WordPress site owners, threats posed by hackers are ever-present. Because of this, we are developing a new security feature for the WP Toolkit. If the topic of WordPress website security is relevant to you, we would be grateful if you could share your experience and help us test the usability of this feature. We invite you to join us for a 1-hour online session via Google Meet. Select a convenient meeting time with our friendly UX staff here.

Resolved Shared hosting with multiple domains SSL/TLS issues

I would like to add to this, as it might be useful for someone. I struggled to secure the no host domain, since lets encrypt only issued certificate for webmail.domain.com, and outlook constantly required to install the certificate.

Maybe there is an easier way to do this, I just wasn't able to find it, however I used the following resource to secure a wildcard SSL for the no host domain in question, GitHub - joohoi/acme-dns: Limited DNS server with RESTful HTTP API to handle ACME DNS challenges easily and securely.. And this tutorial: How To Acquire a Let's Encrypt Certificate Using DNS Validation with acme-dns-certbot on Ubuntu 18.04 | DigitalOcean.