Written by Most of us use self-signed SSL certificates when setting up secure SMTP connections on our servers. And why not? It’s free! You do have to put up with your mail client “warning” you that the identity of the remote server can’t be verified, but that’s worth the minor inconvenience for the price. But… what if [...]
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Fixing Postfix “certificate verification failed for gmail untrusted issuer” Error Message
A while back, I noticed a recurring error in my maillog that read: postfix/smtp: certificate verification failed for gmail-smtp-in.l.google.com[74.125.53.27]:25: untrusted issuer /C=US/O=Equifax/OU=Equifax Secure Certificate Authority If you’re seeing this too, there’s an easy fix.
READ MORE »Renewing a Self-Signed SSL Certificate on Fedora/CentOS
One of my web servers sent me this email this morning: Subject: The certificate for ServerName.com has expired ################# SSL Certificate Warning ################ Certificate for hostname ‘ServerName.com’, in file (or by nickname): /etc/pki/tls/certs/server.crt The certificate needs to be renewed; this can be done using the ‘genkey’ program. Browsers will not be able to correctly connect [...]
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