Unable to validate my domain since the last couple of days due to signature algorithm not supported (it was working fine before)

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2

Hi @chrissp, and welcome to the LE community forum :slight_smile:

Please read: Rejecting SHA-1 CSRs and validation using TLS 1.0 / 1.1 URLs

I see:

[which went EOF in April, 2019]

What version of OpenSSL are you using?
What is the process being used to create the CSR file?

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