thr3ads.net - dovecot - dovecot-2.3 (-git) Warning and Fatal Compile Error [Oct 2017]

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Reuben Farrelly

2017-Oct-18 03:34 UTC

dovecot-2.3 (-git) Warning and Fatal Compile Error

I haven't been tracking dovecot-2.3 until now, but I've just given it a 
quick run, and there are a few things that may need some attention.

Linux x86-64, Gentoo, GCC-7.2.0
Dovecot 2.3 @ commit 32c2612514a404ebc226f32bb88f28d76ceb1db1

Compiled with:

./configure --prefix=/usr --build=x86_64-pc-linux-gnu 
--host=x86_64-pc-linux-gnu --mandir=/usr/share/man 
--infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc 
--localstatedir=/var/lib --disable-dependency-tracking 
--disable-silent-rules --docdir=/usr/share/doc/dovecot-9999_p20171018 
--htmldir=/usr/share/doc/dovecot-9999_p20171018/html --libdir=/usr/lib64 
--localstatedir=/var --with-moduledir=/usr/lib64/dovecot 
--without-stemmer --disable-rpath --with-icu 
--with-systemdsystemunitdir=/usr/lib/systemd/system 
--enable-maintainer-mode --with-bzlib --without-libcap --without-gssapi 
--without-ldap --with-lucene --with-lz4 --with-lzma --without-mysql 
--with-pam --without-pgsql --without-sqlite --without-solr --with-ssl 
--with-libwrap --without-textcat --without-vpopmail --with-zlib 
--disable-static

Warnings:

(Lots of this one...)

/bin/sh ../../../libtool  --tag=CC   --mode=compile 
x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I../../.. 
-I../../../src/lib -I../../../src/lib-settings -I../../../src/lib-fts 
-I../../../src/lib-ssl-iostream -I../../../src/lib-http 
-I../../../src/lib-mail -I../../../src/lib-imap -I../../../src/lib-index 
-I../../../src/lib-storage -I../../../src/lib-storage/index 
-I../../../src/doveadm   -std=gnu99 -O0 -g -pipe -march=native 
-mtune=native -ggdb -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wall 
-W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith 
-Wchar-subscripts -Wformat=2 -Wbad-function-cast -fno-builtin-strftime 
-Wstrict-aliasing=2   -c -o fts-user.lo fts-user.c
libtool: compile:  x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. 
-I../../.. -I../../../src/lib -I../../../src/lib-settings 
-I../../../src/lib-fts -I../../../src/lib-ssl-iostream 
-I../../../src/lib-http -I../../../src/lib-mail -I../../../src/lib-imap 
-I../../../src/lib-index -I../../../src/lib-storage 
-I../../../src/lib-storage/index -I../../../src/doveadm -std=gnu99 -O0 
-g -pipe -march=native -mtune=native -ggdb -fstack-protector-strong 
-D_FORTIFY_SOURCE=2 -Wall -W -Wmissing-prototypes -Wmissing-declarations 
-Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast 
-fno-builtin-strftime -Wstrict-aliasing=2 -c fts-storage.c  -fPIC -DPIC 
-o .libs/fts-storage.o
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined
<built-in>: note: this is the location of the previous definition
In file included from /usr/include/bits/libc-header-start.h:33:0,
                  from /usr/include/stdlib.h:25,
                  from ../../../src/lib/lib.h:11,
                  from fts-storage.c:3:
/usr/include/features.h:376:4: warning: #warning _FORTIFY_SOURCE 
requires compiling with optimization (-O) [-Wcpp]
  #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
     ^~~~~~~

The build then fails entirely with this:

/bin/sh ../../../libtool  --tag=CC   --mode=compile 
x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I../../.. 
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-dict
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-dns
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-http
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-mail
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-smtp
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-imap
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-fs
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-charset
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-auth
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-master
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-ssl-iostream
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-compression
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-settings
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-test
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-sasl
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-stats
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-dcrypt
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-program-client
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-index
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-storage
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-storage/list
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-storage/index
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-storage/index/raw
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-imap-storage
-I/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/plugins/quota
  -DMODULEDIR=\""/usr/lib64/dovecot"\"   -O0 -g -pipe
-march=native
-mtune=native -ggdb -c -o realpath.lo realpath.c
edit-mail.c: In function ?edit_mail_wrap?:
edit-mail.c:235:14: error: too few arguments to function 
?mailbox_transaction_begin?
   raw_trans = mailbox_transaction_begin(raw_box, 0);
               ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from 
/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-storage/mail-storage-private.h:7:0,
                  from edit-mail.c:16:
/home/portage/portage/net-mail/dovecot-9999_p20171018/work/dovecot-9999_p20171018/src/lib-storage/mail-storage.h:651:1:
note: declared here
  mailbox_transaction_begin(struct mailbox *box,
  ^~~~~~~~~~~~~~~~~~~~~~~~~
edit-mail.c: In function ?edit_mail_set_cache_corrupted?:
edit-mail.c:1662:2: error: too few arguments to function 
?edmail->wrapped->v.set_cache_corrupted?
  
edmail->wrapped->v.set_cache_corrupted(&edmail->wrapped->mail,
field);
   ^~~~~~
edit-mail.c: In function ?edit_mail_set_cache_corrupted_reason?:
edit-mail.c:1671:21: error: ?struct mail_vfuncs? has no member named 
?set_cache_corrupted_reason?; did you mean ?set_cache_corrupted??
   edmail->wrapped->v.set_cache_corrupted_reason
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
                      set_cache_corrupted
edit-mail.c: At top level:
edit-mail.c:1701:2: warning: initialization from incompatible pointer 
type [-Wincompatible-pointer-types]
   edit_mail_get_real_mail,
   ^~~~~~~~~~~~~~~~~~~~~~~
edit-mail.c:1701:2: note: (near initialization for 
?edit_mail_vfuncs.get_backend_mail?)
edit-mail.c:1708:2: warning: initialization from incompatible pointer 
type [-Wincompatible-pointer-types]
   edit_mail_set_cache_corrupted,
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
edit-mail.c:1708:2: note: (near initialization for 
?edit_mail_vfuncs.set_cache_corrupted?)
edit-mail.c:1710:2: warning: excess elements in struct initializer
   edit_mail_set_cache_corrupted_reason
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
edit-mail.c:1710:2: note: (near initialization for ?edit_mail_vfuncs?)
make[4]: *** [Makefile:481: edit-mail.lo] Error 1
make[4]: *** Waiting for unfinished jobs....

Reuben

Timo Sirainen

2017-Oct-18 12:40 UTC

head link

dovecot-2.3 (-git) Warning and Fatal Compile Error

On 18 Oct 2017, at 6.34, Reuben Farrelly <reuben-dovecot at reub.net>
wrote:> 
> I haven't been tracking dovecot-2.3 until now, but I've just given
it a quick run, and there are a few things that may need some attention.
> 
> /usr/include/features.h:376:4: warning: #warning _FORTIFY_SOURCE requires
compiling with optimization (-O) [-Wcpp]
> #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
Don't use -O0 or use configure --disable-hardening or just ignore it.
> The build then fails entirely with this:
> 
> DMODULEDIR=\""/usr/lib64/dovecot"\"   -O0 -g -pipe
-march=native -mtune=native -ggdb -c -o realpath.lo realpath.c
> edit-mail.c: In function ?edit_mail_wrap?:
> edit-mail.c:235:14: error: too few arguments to function
?mailbox_transaction_begin?
>  raw_trans = mailbox_transaction_begin(raw_box, 0);
I don't think your pigeonhole is from git master.

Reuben Farrelly

2017-Oct-20 02:23 UTC

head link

dovecot-2.3 (-git) Warning and Fatal Compile Error

On 18/10/2017 11:40 PM, Timo Sirainen wrote:> On 18 Oct 2017, at 6.34, Reuben Farrelly <reuben-dovecot at reub.net>
wrote:
>>
>> I haven't been tracking dovecot-2.3 until now, but I've just
given it a quick run, and there are a few things that may need some attention.
>>
>> /usr/include/features.h:376:4: warning: #warning _FORTIFY_SOURCE
requires compiling with optimization (-O) [-Wcpp]
>> #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
> 
> Don't use -O0 or use configure --disable-hardening or just ignore it.
> 
>> The build then fails entirely with this:
>>
>> DMODULEDIR=\""/usr/lib64/dovecot"\"   -O0 -g -pipe
-march=native -mtune=native -ggdb -c -o realpath.lo realpath.c
>> edit-mail.c: In function ?edit_mail_wrap?:
>> edit-mail.c:235:14: error: too few arguments to function
?mailbox_transaction_begin?
>>   raw_trans = mailbox_transaction_begin(raw_box, 0);
> 
> I don't think your pigeonhole is from git master.
Thanks.  That was it...

Now onto 2.3 -git, there is a repeatable crash occurring in lmtp.  In 
fact it looks like there could be more than one problem, because even 
invoking lmtp (with gdb) and no arguments results in a gdb error about 
an unaddressable byte.

However when lmtp is used normally within dovecot it crashes out on a 
few but not all mails.

The full gdb output looks like this:

Oct 20 12:59:21 thunderstorm.reub.net dovecot: master: Dovecot 
v2.3.devel (c398eca6b) starting up for imap, lmtp, sieve
Oct 20 12:59:30 thunderstorm.reub.net postfix/qmgr[5057]: 9A25122B50: 
from=<xxx at gmail.com>, size=18515, nrcpt=1 (queue active)
Oct 20 12:59:30 thunderstorm.reub.net postfix/qmgr[5057]: 32D0722B4B: 
from=<xxx at youtube-subscriptions.bounces.google
.com>, size=27030, nrcpt=1 (queue active)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
Syscall param epoll_pwait(sigmask) points to unaddressable byte(s)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
at 0x58A7705: epoll_pwait (epoll_pwait.c:42)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x5504697: io_loop_handler_run_internal (ioloop-epoll.c:182)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x5501C4F: io_loop_handler_run (ioloop.c:666)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x5501B2E: io_loop_run (ioloop.c:639)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x5449F05: master_service_run (master-service.c:733)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x10D8E8: main (main.c:139)
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
Address 0x0 is not stack'd, malloc'd or (recently) free'd
Oct 20 12:59:31 thunderstorm.reub.net dovecot: lmtp: Error: ==28006=Oct 20
12:59:32 thunderstorm.reub.net dovecot: lmtp(28006): Connect from
local
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
Syscall param epoll_pwait(sigmask) points to unaddressable byte(s)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
at 0x58A7705: epoll_pwait (epoll_pwait.c:42)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
by 0x5504697: io_loop_handler_run_internal (ioloop-epoll.c:182)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
by 0x5501C4F: io_loop_handler_run (ioloop.c:666)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
by 0x5501B2E: io_loop_run (ioloop.c:639)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
by 0x5449F05: master_service_run (master-service.c:733)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
by 0x10D8E8: main (main.c:139)
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009== 
Address 0x0 is not stack'd, malloc'd or (recently) free'd
Oct 20 12:59:33 thunderstorm.reub.net dovecot: lmtp: Error: ==28009=Oct 20
12:59:33 thunderstorm.reub.net dovecot: lmtp(28009): Connect from
local
Oct 20 12:59:34 thunderstorm.reub.net dovecot: 
lmtp(liam)<28006><aFFxDIRY6VlmbQAAzkCIew>: aFFxDIRY6VlmbQAAzkCIew: 
sieve: msgid=<001a114bd6f6d2fc86055be257ba at google.com>: stored mail
into
mailbox 'INBOX'
Oct 20 12:59:34 thunderstorm.reub.net dovecot: 
indexer-worker(liam)<28026><aFFxDIRY6VlmbQAAzkCIew:xdWnOIZY6Vl6bQAAzkCIew>:
Indexed 1 messages in INBOX (UIDs 634..634)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
Invalid read of size 8
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
at 0x543AECB: smtp_submit_session_init (smtp-submit.c:61)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x543B05B: smtp_submit_init_simple (smtp-submit.c:100)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xAA8BC4B: lda_sieve_smtp_start (lda-sieve-plugin.c:77)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACBF4C0: sieve_smtp_start (sieve-smtp.c:31)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACBF679: sieve_smtp_start_single (sieve-smtp.c:63)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACF4E0F: act_redirect_send (cmd-redirect.c:351)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACF53F0: act_redirect_commit (cmd-redirect.c:495)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACDFC58: sieve_result_action_commit (sieve-result.c:1206)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACDFE9D: sieve_result_action_commit_or_rollback (sieve-result.c:1267)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACE0093: sieve_result_transaction_commit_or_rollback 
(sieve-result.c:1334)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACE02E0: sieve_result_execute (sieve-result.c:1413)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACF993C: sieve_multiscript_execute (sieve.c:666)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
Address 0x0 is not stack'd, malloc'd or (recently) free'd
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006=Oct 20
12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006=Oct 20 12:59:35
thunderstorm.reub.net dovecot: lmtp: Error: ==28006==
Process terminating with default action of signal 11 (SIGSEGV): dumping core
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
Access not within mapped region at address 0x0
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
at 0x543AECB: smtp_submit_session_init (smtp-submit.c:61)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0x543B05B: smtp_submit_init_simple (smtp-submit.c:100)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xAA8BC4B: lda_sieve_smtp_start (lda-sieve-plugin.c:77)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACBF4C0: sieve_smtp_start (sieve-smtp.c:31)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACBF679: sieve_smtp_start_single (sieve-smtp.c:63)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACF4E0F: act_redirect_send (cmd-redirect.c:351)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACF53F0: act_redirect_commit (cmd-redirect.c:495)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACDFC58: sieve_result_action_commit (sieve-result.c:1206)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACDFE9D: sieve_result_action_commit_or_rollback (sieve-result.c:1267)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACE0093: sieve_result_transaction_commit_or_rollback 
(sieve-result.c:1334)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACE02E0: sieve_result_execute (sieve-result.c:1413)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
by 0xACF993C: sieve_multiscript_execute (sieve.c:666)
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
If you believe this happened as a result of a stack
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
overflow in your program's main thread (unlikely but
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
possible), you can try to increase the size of the
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
main thread stack using the --main-stacksize= flag.
Oct 20 12:59:35 thunderstorm.reub.net dovecot: lmtp: Error: ==28006== 
The main thread stack size used in this run was 8388608.
Oct 20 12:59:35 thunderstorm.reub.net dovecot: 
lmtp(liam)<28006><aFFxDIRY6VlmbQAAzkCIew>: Fatal: master:
service(lmtp):
child 28006 killed with signal 11 (core not dumped)
Oct 20 12:59:35 thunderstorm.reub.net postfix/lmtp[28004]: 9A25122B50: 
to=<xxx at thunderstorm.reub.net>, orig_to=<xxx at farrelly.name>, 
relay=thunderstorm.reub.net[private/dovecot-lmtp], delay=62182, 
delays=62177/0.01/2/3, dsn=4.4.2, status=deferred (lost connection with 
thunderstorm.reub.net[private/dovecot-lmtp] while sending end of data -- 
message may be sent more than once)
Oct 20 12:59:36 thunderstorm.reub.net dovecot: 
indexer-worker(liam)<28026><4I9/OIVY6VlpbQAAzkCIew:yNxBKIhY6Vl6bQAAzkCIew>:
Indexed 1 messages in Youtube Notifications (UIDs 1544..1544)
Oct 20 12:59:36 thunderstorm.reub.net dovecot: 
lmtp(liam)<28009><4I9/OIVY6VlpbQAAzkCIew>: 4I9/OIVY6VlpbQAAzkCIew: 
sieve: msgid=<001a11414af89d6783055bed7dee at google.com>: stored mail
into
mailbox 'Youtube Notifications'

[For some reason the core file is not being created, and I'm not sure 
why yet]

Secondly, this ssl_dh messages is always printed from doveconf:

doveconf: Warning: please set ssl_dh=</etc/dovecot/dh.pem
doveconf: Warning: You can generate it with: dd 
if=/var/lib/dovecot/ssl-parameters.dat bs=1 skip=88 | openssl dh -inform 
der > /etc/dovecot/dh.pem

Yet the file is there:

thunderstorm conf.d # ls -la /etc/dovecot/dh.pem
-rw-r--r-- 1 root root 769 Oct 19 21:55 /etc/dovecot/dh.pem

And the config is there as well:

thunderstorm dovecot # doveconf -P | grep ssl_dh
ssl_dh = </etc/dovecot/dh.pem
doveconf: Warning: please set ssl_dh=</etc/dovecot/dh.pem
doveconf: Warning: You can generate it with: dd 
if=/var/lib/dovecot/ssl-parameters.dat bs=1 skip=88 | openssl dh -inform 
der > /etc/dovecot/dh.pem
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
   ssl_dh = -----BEGIN DH PARAMETERS-----
thunderstorm dovecot #

It appears that this warning is being triggered by the presence of the 
ssl-parameters.dat file because when I remove it the warning goes away. 
Perhaps the warning could be made a bit more specific about this file 
being removed if it is not required because at the moment the warning 
message is not related to the trigger.

Thanks,
Reuben

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