Your master.cf seems to not have the dovecot setup properly. Should have something similar to: dovecot unix - n n - -...
No, suexec shows it executed properly [2015-06-21 00:04:21]: uid: (5003/ispconfig) gid: (5004/ispconfig) cmd: .php-fcgi-starter
I'm not sure if I can be helped, or if you'll be willing to as I'm not using any of the "perfect server" guide lines. I'm running my own custom...
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