Email address is changing asap, but can't run alias only forward for another month


#1

Our email addresses are changing from @companya.com to @companyb.com. Currently our @companya.com emails are being forwarded to @companyb.com. I am trying to find all Let’s Encrypt certificates before our email forwarding is turned off in April 2018. Is this possible? We found a Let’s Encrypt certificate that was scheduled to expire tomorrow, but someone realized the certificate hadn’t been renewed. Basically any certificate for *.application.companya.com I have to identify and change the email address of. Is this possible?

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is: *.application.companya.com

I ran this command: ~/certbot/venv/bin/certbot register --update-registration --email team123@companyb.com

It produced this output: email changed successfully

My web server is (include version): nginx

The operating system my web server runs on is (include version): ubuntu

My hosting provider, if applicable, is: AWS

I can login to a root shell on my machine (yes or no, or I don’t know): yes

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

Thanks


#2

You can search for certificates by looking at:

https://crt.sh/?q=%.pioneer.com


#3

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