copyparty failed to add the following files to the archive:

 file: 'pidmaster.pid'
error: [PermissionError] [Errno 13] Permission denied: b'varspoolpostfixpidmaster.pid'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'pidunix.cleanup'
error: [PermissionError] [Errno 13] Permission denied: b'varspoolpostfixpidunix.cleanup'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'pidunix.defer'
error: [PermissionError] [Errno 13] Permission denied: b'varspoolpostfixpidunix.defer'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'pidunix.local'
error: [PermissionError] [Errno 13] Permission denied: b'varspoolpostfixpidunix.local'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'pidunix.retry'
error: [PermissionError] [Errno 13] Permission denied: b'varspoolpostfixpidunix.retry'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'pidunix.smtp'
error: [PermissionError] [Errno 13] Permission denied: b'varspoolpostfixpidunix.smtp'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

NOTE: filepaths sanitized; see serverlog for correct values