I have just checked the logs and I think we may have fixed it (well you did!), here is the output, do you still want me to enter the three commands in your last post?
Aug 7 10:07:02 discussion com.apple.launchd[1] (org.postfix.master): Throttling respawn: Will start in 9 seconds
Aug 7 10:07:12 discussion postfix/master[1099]: fatal: bind: private/smtpd: Invalid argument
Aug 7 10:07:13 discussion com.apple.launchd[1] (org.postfix.master[1099]): Exited with code: 1
Aug 7 10:07:13 discussion com.apple.launchd[1] (org.postfix.master): Throttling respawn: Will start in 9 seconds
Aug 7 10:07:22 discussion postfix/master[1101]: fatal: bind: private/smtpd: Invalid argument
Aug 7 10:07:23 discussion com.apple.launchd[1] (org.postfix.master[1101]): Exited with code: 1
Aug 7 10:07:23 discussion com.apple.launchd[1] (org.postfix.master): Throttling respawn: Will start in 9 seconds
Aug 7 10:07:32 discussion postfix/master[1111]: fatal: bind: private/smtpd: Invalid argument
Aug 7 10:07:33 discussion com.apple.launchd[1] (org.postfix.master[1111]): Exited with code: 1
Aug 7 10:07:33 discussion com.apple.launchd[1] (org.postfix.master): Throttling respawn: Will start in 9 seconds
Aug 7 10:07:42 discussion postfix/master[1113]: fatal: bind: private/smtpd: Invalid argument
Aug 7 10:07:43 discussion com.apple.launchd[1] (org.postfix.master[1113]): Exited with code: 1
Aug 7 10:07:43 discussion com.apple.launchd[1] (org.postfix.master): Throttling respawn: Will start in 9 seconds
Aug 7 10:07:53 discussion dovecot[1131]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:53 discussion dovecot[1131]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:54 discussion dovecot[1188]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:54 discussion dovecot[1188]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:54 discussion dovecot[1191]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:54 discussion dovecot[1191]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:55 discussion dovecot[1192]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:55 discussion dovecot[1192]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:55 discussion dovecot[1193]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:55 discussion dovecot[1193]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:56 discussion dovecot[1199]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:56 discussion dovecot[1199]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:56 discussion dovecot[1201]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:56 discussion dovecot[1201]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:57 discussion dovecot[1202]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:57 discussion dovecot[1202]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:57 discussion dovecot[1203]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:57 discussion dovecot[1203]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:58 discussion dovecot[1204]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:58 discussion dovecot[1204]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:58 discussion dovecot[1205]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:58 discussion dovecot[1205]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:59 discussion dovecot[1206]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:59 discussion dovecot[1206]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:07:59 discussion dovecot[1207]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:07:59 discussion dovecot[1207]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:08:00 discussion dovecot[1208]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:08:00 discussion dovecot[1208]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:08:00 discussion dovecot[1209]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:08:00 discussion dovecot[1209]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:08:01 discussion dovecot[1211]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:08:01 discussion dovecot[1211]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:08:01 discussion dovecot[1212]: lda: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Operation timed out
Aug 7 10:08:01 discussion dovecot[1212]: lda: Fatal: Internal error occurred. Refer to server log for more information.
Aug 7 10:12:26 discussion collabd[1319]: [main.m:103 40a280 +8ms] HTTP server listening at loopback:4444
Aug 7 10:12:26 discussion com.apple.collabd[1319]: Aug 7 10:12:26 discussion.pharmweb.net collabd[1319] <Warning>: [main.m:103 40a280 +8ms] HTTP server listening at loopback:4444
Aug 7 10:12:26 discussion com.apple.launchd[1] (com.apple.collabd[1319]): Tried to setup shared memory more than once
Aug 7 10:12:26 discussion wikiadmin[1326]: Updating schema...
Aug 7 10:12:26 discussion com.apple.collabd[1319]: 2012-08-07 10:12:26.190 wikiadmin[1326:307] Updating schema...
Aug 7 10:12:26 discussion wikiadmin[1326]: Schema updates completed.
Aug 7 10:12:26 discussion com.apple.collabd[1319]: 2012-08-07 10:12:26.192 wikiadmin[1326:307] Schema updates completed.
Aug 7 10:12:31 discussion collabd[1355]: [main.m:103 40a280 +0ms] HTTP server listening at loopback:4444
Aug 7 10:12:31 discussion com.apple.collabd[1355]: Aug 7 10:12:31 discussion.pharmweb.net collabd[1355] <Warning>: [main.m:103 40a280 +0ms] HTTP server listening at loopback:4444
Aug 7 10:12:31 discussion com.apple.launchd[1] (com.apple.collabd[1355]): Tried to setup shared memory more than once
Aug 7 10:12:31 discussion wikiadmin[1359]: Updating schema...
Aug 7 10:12:31 discussion com.apple.collabd[1355]: 2012-08-07 10:12:31.719 wikiadmin[1359:307] Updating schema...
Aug 7 10:12:31 discussion wikiadmin[1359]: Schema updates completed.
Aug 7 10:12:31 discussion com.apple.collabd[1355]: 2012-08-07 10:12:31.721 wikiadmin[1359:307] Schema updates completed.
System logs now seems to have gone quiet? Have we resolved. Spoke too soon, this just came out:
Aug 7 10:12:31 discussion com.apple.collabd[1355]: Aug 7 10:12:31 discussion.pharmweb.net collabd[1355] <Warning>: [main.m:103 40a280 +0ms] HTTP server listening at loopback:4444
Aug 7 10:12:31 discussion com.apple.launchd[1] (com.apple.collabd[1355]): Tried to setup shared memory more than once
Aug 7 10:12:31 discussion wikiadmin[1359]: Updating schema...
Aug 7 10:12:31 discussion com.apple.collabd[1355]: 2012-08-07 10:12:31.719 wikiadmin[1359:307] Updating schema...
Aug 7 10:12:31 discussion wikiadmin[1359]: Schema updates completed.
Aug 7 10:12:31 discussion com.apple.collabd[1355]: 2012-08-07 10:12:31.721 wikiadmin[1359:307] Schema updates completed.
Aug 7 10:16:12 discussion servermgrd[92924]: -[AccountsRequestHandler(AccountsSystemConfigurationObservation) registerForKeychainEventNotifications]: SecKeychainAddCallback() status: -25297
Aug 7 10:16:32 discussion com.apple.backupd[1465]: Starting standard backup
Aug 7 10:16:32 discussion com.apple.backupd[1465]: Backing up to: /Volumes/Time Machine on Mac Pro/Backups.backupdb
Aug 7 10:16:40 discussion ServerBackup[1466]: Error in calling backup command for service postgresql, error :=69
Aug 7 10:16:41 discussion ServerBackup[1466]: SRC := /etc/apache2/
DST := /.ServerBackups/webServer
Aug 7 10:16:41 discussion ServerBackup[1466]: SRC := /etc/certificates/
DST := /.ServerBackups/webServer
Aug 7 10:16:42 discussion com.apple.backupd[1465]: 1.51 GB required (including padding), 307.51 GB available
Aug 7 10:16:43 discussion com.apple.backupd[1465]: Copied 20 files (93 bytes) from volume SuperDuper.
Aug 7 10:16:43 discussion mds[87]: (Error) Volume: Could not find requested backup type:2 for volume
Aug 7 10:16:44 discussion com.apple.backupd[1465]: Starting post-backup thinning
Aug 7 10:16:44 discussion com.apple.backupd[1465]: Deleted /Volumes/Time Machine on Mac Pro/Backups.backupdb/PharmWeb Server/2012-08-06-101641 (24.0 KB)
Aug 7 10:16:44 discussion com.apple.backupd[1465]: Deleted /Volumes/Time Machine on Mac Pro/Backups.backupdb/PharmWeb Server/2012-08-06-092909 (28.0 KB)
Aug 7 10:16:44 discussion com.apple.backupd[1465]: Post-back up thinning complete: 2 expired backups removed
Aug 7 10:16:44 discussion com.apple.backupd[1465]: Backup completed successfully.
Anything in latest logs to worry about??