Hi !

First of all thanks for all your doing :)

I also have this kind of segfault since the update :

Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: *** Error in `dovecot/auth': double free or corruption (fasttop): 0x000055573bb99f70 *** Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: ======= Backtrace: ========= Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(+0x70bfb)[0x7f961ab00bfb] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(+0x76fc6)[0x7f961ab06fc6] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(+0x7780e)[0x7f961ab0780e] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: /usr/lib/x86_64-linux-gnu/libmariadbclient.so.18(mysql_close+0x12f)[0x7f9619e0778f] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: dovecot/auth(+0x3f68c)[0x55573b84a68c] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: dovecot/auth(db_sql_unref+0x15)[0x55573b8400b5] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: dovecot/auth(userdb_deinit+0x99)[0x55573b8389d9] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: dovecot/auth(auths_deinit+0x79)[0x55573b81cc89] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: dovecot/auth(main+0x3d0)[0x55573b81b800] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0x7f961aab02e1] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: dovecot/auth(_start+0x2a)[0x55573b81ba0a] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: ======= Memory map: ======== Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 55573b80b000-55573b865000 r-xp 00000000 08:02 42337430 /usr/lib/dovecot/auth Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 55573ba64000-55573ba67000 r--p 00059000 08:02 42337430 /usr/lib/dovecot/auth Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 55573ba67000-55573ba69000 rw-p 0005c000 08:02 42337430 /usr/lib/dovecot/auth Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 55573bb64000-55573bbaf000 rw-p 00000000 00:00 0 [heap] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9614000000-7f9614021000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9614021000-7f9618000000 ---p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9618d98000-7f9618dae000 r-xp 00000000 08:02 39714820 /lib/x86_64-linux-gnu/libgcc_s.so.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9618dae000-7f9618fad000 ---p 00016000 08:02 39714820 /lib/x86_64-linux-gnu/libgcc_s.so.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9618fad000-7f9618fae000 r--p 00015000 08:02 39714820 /lib/x86_64-linux-gnu/libgcc_s.so.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9618fae000-7f9618faf000 rw-p 00016000 08:02 39714820 /lib/x86_64-linux-gnu/libgcc_s.so.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9618faf000-7f9618fb9000 r-xp 00000000 08:02 39714834 /lib/x86_64-linux-gnu/libnss_files-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9618fb9000-7f96191b9000 ---p 0000a000 08:02 39714834 /lib/x86_64-linux-gnu/libnss_files-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96191b9000-7f96191ba000 r--p 0000a000 08:02 39714834 /lib/x86_64-linux-gnu/libnss_files-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96191ba000-7f96191bb000 rw-p 0000b000 08:02 39714834 /lib/x86_64-linux-gnu/libnss_files-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96191bb000-7f96191c1000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96191c1000-7f961942b000 r-xp 00000000 08:02 41813615 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961942b000-7f961962b000 ---p 0026a000 08:02 41813615 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961962b000-7f9619649000 r--p 0026a000 08:02 41813615 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619649000-7f9619657000 rw-p 00288000 08:02 41813615 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619657000-7f961965a000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961965a000-7f96196bd000 r-xp 00000000 08:02 41814649 /usr/lib/x86_64-linux-gnu/libssl.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96196bd000-7f96198bc000 ---p 00063000 08:02 41814649 /usr/lib/x86_64-linux-gnu/libssl.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96198bc000-7f96198c0000 r--p 00062000 08:02 41814649 /usr/lib/x86_64-linux-gnu/libssl.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96198c0000-7f96198c6000 rw-p 00066000 08:02 41814649 /usr/lib/x86_64-linux-gnu/libssl.so.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96198c6000-7f96199c9000 r-xp 00000000 08:02 39714828 /lib/x86_64-linux-gnu/libm-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f96199c9000-7f9619bc8000 ---p 00103000 08:02 39714828 /lib/x86_64-linux-gnu/libm-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619bc8000-7f9619bc9000 r--p 00102000 08:02 39714828 /lib/x86_64-linux-gnu/libm-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619bc9000-7f9619bca000 rw-p 00103000 08:02 39714828 /lib/x86_64-linux-gnu/libm-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619bca000-7f9619be3000 r-xp 00000000 08:02 39714906 /lib/x86_64-linux-gnu/libz.so.1.2.8 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619be3000-7f9619de2000 ---p 00019000 08:02 39714906 /lib/x86_64-linux-gnu/libz.so.1.2.8 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619de2000-7f9619de3000 r--p 00018000 08:02 39714906 /lib/x86_64-linux-gnu/libz.so.1.2.8 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619de3000-7f9619de4000 rw-p 00019000 08:02 39714906 /lib/x86_64-linux-gnu/libz.so.1.2.8 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619de4000-7f9619e30000 r-xp 00000000 08:02 41812885 /usr/lib/x86_64-linux-gnu/libmariadb.so.3 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f9619e30000-7f961a02f000 ---p 0004c000 08:02 41812885 /usr/lib/x86_64-linux-gnu/libmariadb.so.3 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a02f000-7f961a037000 r--p 0004b000 08:02 41812885 /usr/lib/x86_64-linux-gnu/libmariadb.so.3 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a037000-7f961a039000 rw-p 00053000 08:02 41812885 /usr/lib/x86_64-linux-gnu/libmariadb.so.3 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a039000-7f961a03b000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a03b000-7f961a040000 r-xp 00000000 08:02 42338096 /usr/lib/dovecot/modules/libdriver_mysql.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a040000-7f961a23f000 ---p 00005000 08:02 42338096 /usr/lib/dovecot/modules/libdriver_mysql.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a23f000-7f961a240000 r--p 00004000 08:02 42338096 /usr/lib/dovecot/modules/libdriver_mysql.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a240000-7f961a241000 rw-p 00005000 08:02 42338096 /usr/lib/dovecot/modules/libdriver_mysql.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a241000-7f961a243000 r-xp 00000000 08:02 42339885 /usr/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a243000-7f961a443000 ---p 00002000 08:02 42339885 /usr/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a443000-7f961a444000 r--p 00002000 08:02 42339885 /usr/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a444000-7f961a445000 rw-p 00003000 08:02 42339885 /usr/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a445000-7f961a449000 r-xp 00000000 08:02 39714874 /lib/x86_64-linux-gnu/libcap-ng.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a449000-7f961a649000 ---p 00004000 08:02 39714874 /lib/x86_64-linux-gnu/libcap-ng.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a649000-7f961a64a000 r--p 00004000 08:02 39714874 /lib/x86_64-linux-gnu/libcap-ng.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a64a000-7f961a64b000 rw-p 00005000 08:02 39714874 /lib/x86_64-linux-gnu/libcap-ng.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a64b000-7f961a663000 r-xp 00000000 08:02 39714839 /lib/x86_64-linux-gnu/libpthread-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a663000-7f961a862000 ---p 00018000 08:02 39714839 /lib/x86_64-linux-gnu/libpthread-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a862000-7f961a863000 r--p 00017000 08:02 39714839 /lib/x86_64-linux-gnu/libpthread-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a863000-7f961a864000 rw-p 00018000 08:02 39714839 /lib/x86_64-linux-gnu/libpthread-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a864000-7f961a868000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a868000-7f961a885000 r-xp 00000000 08:02 39714877 /lib/x86_64-linux-gnu/libaudit.so.1.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961a885000-7f961aa84000 ---p 0001d000 08:02 39714877 /lib/x86_64-linux-gnu/libaudit.so.1.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961aa84000-7f961aa85000 r--p 0001c000 08:02 39714877 /lib/x86_64-linux-gnu/libaudit.so.1.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961aa85000-7f961aa86000 rw-p 0001d000 08:02 39714877 /lib/x86_64-linux-gnu/libaudit.so.1.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961aa86000-7f961aa90000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961aa90000-7f961ac25000 r-xp 00000000 08:02 39714824 /lib/x86_64-linux-gnu/libc-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ac25000-7f961ae25000 ---p 00195000 08:02 39714824 /lib/x86_64-linux-gnu/libc-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ae25000-7f961ae29000 r--p 00195000 08:02 39714824 /lib/x86_64-linux-gnu/libc-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ae29000-7f961ae2b000 rw-p 00199000 08:02 39714824 /lib/x86_64-linux-gnu/libc-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ae2b000-7f961ae2f000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ae2f000-7f961ae93000 r-xp 00000000 08:02 41813682 /usr/lib/x86_64-linux-gnu/libsodium.so.18.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ae93000-7f961b093000 ---p 00064000 08:02 41813682 /usr/lib/x86_64-linux-gnu/libsodium.so.18.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b093000-7f961b094000 r--p 00064000 08:02 41813682 /usr/lib/x86_64-linux-gnu/libsodium.so.18.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b094000-7f961b095000 rw-p 00065000 08:02 41813682 /usr/lib/x86_64-linux-gnu/libsodium.so.18.1.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b095000-7f961b0a2000 r-xp 00000000 08:02 39714879 /lib/x86_64-linux-gnu/libpam.so.0.83.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b0a2000-7f961b2a1000 ---p 0000d000 08:02 39714879 /lib/x86_64-linux-gnu/libpam.so.0.83.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b2a1000-7f961b2a2000 r--p 0000c000 08:02 39714879 /lib/x86_64-linux-gnu/libpam.so.0.83.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b2a2000-7f961b2a3000 rw-p 0000d000 08:02 39714879 /lib/x86_64-linux-gnu/libpam.so.0.83.1 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b2a3000-7f961b2ab000 r-xp 00000000 08:02 39714826 /lib/x86_64-linux-gnu/libcrypt-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b2ab000-7f961b4ab000 ---p 00008000 08:02 39714826 /lib/x86_64-linux-gnu/libcrypt-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b4ab000-7f961b4ac000 r--p 00008000 08:02 39714826 /lib/x86_64-linux-gnu/libcrypt-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b4ac000-7f961b4ad000 rw-p 00009000 08:02 39714826 /lib/x86_64-linux-gnu/libcrypt-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b4ad000-7f961b4db000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b4db000-7f961b4de000 r-xp 00000000 08:02 39714827 /lib/x86_64-linux-gnu/libdl-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b4de000-7f961b6dd000 ---p 00003000 08:02 39714827 /lib/x86_64-linux-gnu/libdl-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b6dd000-7f961b6de000 r--p 00002000 08:02 39714827 /lib/x86_64-linux-gnu/libdl-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b6de000-7f961b6df000 rw-p 00003000 08:02 39714827 /lib/x86_64-linux-gnu/libdl-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b6df000-7f961b859000 r-xp 00000000 08:02 42339882 /usr/lib/dovecot/libdovecot.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961b859000-7f961ba58000 ---p 0017a000 08:02 42339882 /usr/lib/dovecot/libdovecot.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ba58000-7f961ba60000 r--p 00179000 08:02 42339882 /usr/lib/dovecot/libdovecot.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ba60000-7f961ba61000 rw-p 00181000 08:02 42339882 /usr/lib/dovecot/libdovecot.so.0.0.0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ba61000-7f961ba64000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ba64000-7f961ba65000 r-xp 00000000 08:02 42339932 /usr/lib/dovecot/modules/old-stats/libstats_auth.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961ba65000-7f961bc65000 ---p 00001000 08:02 42339932 /usr/lib/dovecot/modules/old-stats/libstats_auth.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961bc65000-7f961bc66000 r--p 00001000 08:02 42339932 /usr/lib/dovecot/modules/old-stats/libstats_auth.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961bc66000-7f961bc67000 rw-p 00002000 08:02 42339932 /usr/lib/dovecot/modules/old-stats/libstats_auth.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961bc67000-7f961bc8a000 r-xp 00000000 08:02 39714819 /lib/x86_64-linux-gnu/ld-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961be7c000-7f961be80000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961be86000-7f961be8a000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961be8a000-7f961be8b000 r--p 00023000 08:02 39714819 /lib/x86_64-linux-gnu/ld-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961be8b000-7f961be8c000 rw-p 00024000 08:02 39714819 /lib/x86_64-linux-gnu/ld-2.24.so Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7f961be8c000-7f961be8d000 rw-p 00000000 00:00 0 Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7ffd36629000-7ffd3664a000 rw-p 00000000 00:00 0 [stack] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7ffd36773000-7ffd36775000 r--p 00000000 00:00 0 [vvar] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: 7ffd36775000-7ffd36777000 r-xp 00000000 00:00 0 [vdso] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Fatal: master: service(auth-worker): child 26350 killed with signal 6 (core dumped)

dovecot -n # 2.3.4 (0ecbaf23d): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 (60b0f48d) # OS: Linux 4.9.0-8-amd64 x86_64 Debian 9.6 auth_mechanisms = plain login mail_gid = 5000 mail_plugins = quota mail_uid = 5000 mail_vsize_bg_after_count = 100 managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapsieve vnd.dovecot.imapsieve namespace inbox { inbox = yes location = mailbox Archive { auto = subscribe special_use = \Archive } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe autoexpunge = 90 days special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { auto = no special_use = \Sent } mailbox Spam { auto = no special_use = \Junk } mailbox Trash { auto = subscribe autoexpunge = 90 days special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } plugin { imapsieve_mailbox1_before = file:/etc/dovecot/sieve/report-spam.sieve imapsieve_mailbox1_causes = COPY imapsieve_mailbox1_name = Junk imapsieve_mailbox2_before = file:/etc/dovecot/sieve/report-ham.sieve imapsieve_mailbox2_causes = COPY imapsieve_mailbox2_from = Junk imapsieve_mailbox2_name = * quota = count:User quota quota_grace = 50M quota_rule = *:storage=2G quota_status_nouser = DUNNO quota_status_overquota = 552 5.2.2 Mailbox is full quota_status_success = DUNNO quota_vsizes = yes quota_warning = storage=95%% quota-warning 95 %u sieve_after = /etc/dovecot/sieve-after sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment sieve_pipe_bin_dir = /etc/dovecot/sieve sieve_plugins = sieve_imapsieve sieve_extprograms } protocols = imap pop3 lmtp sieve service auth-worker { chroot = user = root } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-userdb { mode = 0660 } } service imap-login { inet_listener imap { address = 127.0.0.1, ::1 port = 143 } inet_listener imaps { address = XXXX port = 993 } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0660 user = postfix } } service managesieve-login { inet_listener sieve { address = XXXX port = 4190 } service_count = 1 } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { address = XXXXX port = 995 } } service quota-status { client_limit = 1 executable = quota-status -p postfix unix_listener /var/spool/postfix/private/quota-status { group = postfix mode = 0660 user = postfix } } service quota-warning { executable = script /etc/dovecot/quota-warning.sh user = dovecot } ssl = required ssl_cert = </etc/letsencrypt/live/XXX/fullchain.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { args = /etc/dovecot/dovecot-sql.conf driver = sql } protocol imap { mail_plugins = quota imap_quota imap_sieve } protocol lmtp { mail_plugins = quota sieve postmaster_address = postmaster@xxxxxx.xx }

How can I send the core dump ?

Best regards, Guillaume