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What port should be used for LDAPS on my Email Security Gateway?
This applies to all Email Security Gateway model 300s and above utilizing LDAPS for Recipient Verification (Exchange Accelerator), all firmware versions.
The default LDAPS port is 636, and can almost always be used.
Make sure that LDAPS is indeed supported and enabled on your LDAP server and that the port hasn't been changed to something other than the default of 636.
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