An SSL certificate is required before you can enable and use SSL for SMTP, POP3 and IMAP protocols.
This article talks about different options for obtaining an SSL certificate.
Option 1 - obtaining a free SSL certificate from Let's Encrypt Recommended
Let's Encrypt is an open certificate authority that issues SSL certificates for free.
Click here to watch a short video demonstrating the steps you need to take in order to get a free certificate
that is trusted by most modern browsers.
Option 2 - using a self-signed certificate
Simply change the value for Secure Web Server Port under Server Configuration and restart Xeams. Xeams will automatically download
a self-signed certificate from Synametrics' Website. This certificate will NOT be trusted by any browser. This method should only be used for
testing or non-production Xeams.
Option 3 - create a new certificate from scratch
Click here for instructions if you need to create a certificate from scratch and get it signed by a CA.
Option 4 - import an existing certificate from an IIS server
Click here for instructions on how to use an existing certificate
from a Microsoft IIS server in Xeams.
Option 5 - import an existing certificate from an Apache server
Click here for instructions on how to use an
from an Apache server in Xeams.
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