> Are you certain? “Often wrong, never in doubt.”
Yes, I am certain: > sudo launchctl unload -w > /System/Library/LaunchDaemons/com.apple.postfix.master.plist > > /System/Library/LaunchDaemons/com.apple.postfix.master.plist: Operation not > permitted while System Integrity Protection is engaged > On Jan 13, 2020, at 14:23, Ryan Schmidt <ryandes...@macports.org> wrote: > > > >> On Jan 11, 2020, at 12:32, Steven Smith wrote: >> >> First, as Gerben points out, macOS‘s postfix launch daemon is in >> /System/Library, so you’d have to disable SIP to unload it, which at best is >> a major PITA, and realistically a non-option. > > Are you certain? Certainly modifying anything in /System would require > disabling SIP, but we're not talking about modifying anything there; we're > just talking about unloading a launchd plist. Whether or not a plist is > loaded used to be recorded in the plist itself, but that hasn't been the case > for many years; according to the launchctl(1) manpage, that state is now > stored "elsewhere on-disk in a location that may not be directly manipulated > by any process other than launchd." >
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