telegraphe5:~# id tstifi04
uid=20609(tstifi04) gid=30596(ifie2012) groupes=201(vboxusers),30858(enseignants),30859(alumni),30596(ifie2012)


[pid 30326] geteuid()                   = 0
[pid 30326] geteuid()                   = 0
[pid 30326] geteuid()                   = 0
[pid 30326] getgid()                    = 0
[pid 30326] setgid(30596)               = 0
[pid 30326] setgroups(1, [30596])       = 0
[pid 30326] setresuid(-1, 20609, -1)    = 0
[pid 30326] getegid()                   = 30596
[pid 30326] geteuid()                   = 20609
[pid 30326] write(2, "\1\01030326 prefix=lmtp(30326, tstif"..., 39) = 39

[...]

[pid 30326] stat("/home/tstifi04/mail-imap/Junk", {st_mode=S_IFREG|0600, st_size=1124, ...}) = 0
[pid 30326] stat("/var/dovecot-indexes/tstifi04/.imap/Junk", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 30326] stat("/var/dovecot-indexes/tstifi04/.imap/Junk", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 30326] stat("/var/dovecot-indexes/tstifi04/.imap/Junk", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid 30326] stat("/home/tstifi04/mail-imap/Junk", {st_mode=S_IFREG|0600, st_size=1124, ...}) = 0
[pid 30326] write(2, "\1\00130326 Mailbox <lmtp DATA>: Ope"..., 64Feb  6 17:56:03 telegraphe5 dovecot: lmtp(tstifi04): Debug: Mailbox <lmtp DATA>: Opened mail UID=1 because: copying
) = 64
[pid 30326] access("/home/tstifi04/mail-imap/Junk", R_OK|W_OK) = -1 EACCES (Permission denied)
[pid 30326] write(2, "\1\00130326 Mailbox <lmtp DATA>: Ope"..., 94Feb  6 17:56:03 telegraphe5 dovecot: lmtp(tstifi04): Debug: Mailbox <lmtp DATA>: Opened mail UID=1 because: virtual size (Cache file is unusable)
) = 94
[pid 30326] write(2, "\1\00430326 PytSHqIRW1x2dgAA+Fldtw: "..., 110Feb  6 17:56:03 telegraphe5 dovecot: lmtp(tstifi04): Error: PytSHqIRW1x2dgAA+Fldtw: sieve: msgid=unspecified: failed to store into mailbox 'Junk': Read-only mbox
) = 110