It's sort of an upgraded system. The Mavericks installation is actually a fresh one, but data was then restored with TimeMachine from a previous 10.6 system. So old configs are a possibility.
Belowe is all that showed in the log. Besides some (IMHO) non critical permission warnings, there is nothing. The mailaccess.log was actually empty.
Mail.log:
postfix/postfix-script[67467]: warning: group or other writable: /Library/Server/Mail/Config/postfix/./custom_header_checks
postfix/postfix-script[67468]: warning: group or other writable: /Library/Server/Mail/Config/postfix/./master.cf.default
postfix/postfix-script[67469]: warning: group or other writable: /Library/Server/Mail/Config/postfix/./master.cf.orig
postfix/postfix-script[67470]: warning: group or other writable: /Library/Server/Mail/Config/postfix/./virtual.db
postfix/postfix-script[67471]: warning: group or other writable: /Library/Server/Mail/Config/postfix/./virtual_domains
postfix/postfix-script[67472]: warning: group or other writable: /Library/Server/Mail/Config/postfix/./virtual_users
System.log:
mds[63]: (/)(Warning) IndexQuery in virtual bool SISearchCtx_FSI::performSearch(struct PartialQueryResults *):Retried searchfs 4 times
mds[63]: (/)(Warning) IndexQuery in virtual bool SISearchCtx_FSI::performSearch(struct PartialQueryResults *):Throttling slow file system query
xpcd[916]: restored permissions (100600 -> 100700) on /private/var/root/Library/Containers/com.apple.TextEdit/Container.plist
WindowServer[107]: disable_update_timeout: UI updates were forcibly disabled by application "TextEdit" for over 1.00 seconds. Server has re-enabled them.
com.apple.appkit.xpc.openAndSavePanelService[68212]: Bogus event received by listener connection:
<error: 0x7fff7af06b50> { count = 1, contents =
"XPCErrorDescription" => <string: 0x7fff7af06e60> { length = 18, contents = "Connection invalid" }
}
quicklookd[68202]: generateImageInProcess Failed to composit image for binding VariantBinding [0x203] flags: 0x8 binding: FileInfoBinding [0x103] - extension: pps, UTI: com.microsoft.powerpoint.pps, fileType: ????.
quicklookd[68202]: generateImageInProcess Failed to composit image for binding VariantBinding [0x403] flags: 0x8 binding: FileInfoBinding [0x303] - extension: GIF, UTI: com.compuserve.gif, fileType: ????.
WindowServer[107]: common_reenable_update: UI updates were finally reenabled by application "TextEdit" after 5.36 seconds (server forcibly re-enabled them after 1.00 seconds)
quicklookd[68202]: generateImageInProcess Failed to composit image for binding VariantBinding [0x603] flags: 0x8 binding: FileInfoBinding [0x503] - extension: gif, UTI: com.compuserve.gif, fileType: ????.
quicklookd[68202]: generateImageInProcess Failed to composit image for binding VariantBinding [0x803] flags: 0x8 binding: FileInfoBinding [0x703] - extension: tiff, UTI: public.tiff, fileType: ????.
quicklookd[68202]: generateImageInProcess Failed to composit image for binding VariantBinding [0xa03] flags: 0x8 binding: FileInfoBinding [0x903] - extension: gif, UTI: com.compuserve.gif, fileType: ????.
kernel[0]: Sandbox: xcscredd(164) deny file-read-metadata /private/var/root
--- last message repeated 11 times ---
birds-srv-03.local sandboxd[191] ([164]): xcscredd(164) deny file-read-metadata /private/var/root
--- last message repeated 7 times ---