In my experience, prosody has an easier to configure (and thus harder to fuck up) LDAP integration, and while ejabberd's core is solid, the modules vary wildly

In my experience, prosody has an easier to configure (and thus harder to fuck up) LDAP integration, and while ejabberd's core is solid, the modules vary wildly in quality (I never managed to get mod_shared_roster_ldap to work, e.g.).