- dovecot - dovecot.org

Re: How do I set all my mailboxes to "subscribed"
by Aki Tuomi 09 Dec '19

09 Dec '19

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Shared namespace is empty after migration to new Dovecot installation
by Peter Reinhold 09 Dec '19

09 Dec '19

Hi all, I've used most of this weekend finalizing my migration from an old server running Dovecot 2.2.22 to a brand new installation running 2.3.8. In general, the migration was painless, everything just clicked, but checking up on the finer details post migration i've found out that user shared folders does not seem to work anymore, and I simply can't get it to work. The setups are more or less identical, biggest change is probably the addition of a Solr search index, and i've done very little changes in the configuration files. The acl_shared_dict file is being created and updated when I share a folder In the user thats sharing the folder, the dovecot-acl and dovecot-acl-list files are created and look the same. But, the user that should be reading the shared folder can not see it, the Shared namespace is simply empty, which it is not on the old installation, and namespace setup is identical across the two servers. (Except for the CaSiNg of the location of the index and indexpvt) Logging in and doing an IMAP command : A1 LIST "Shared/" "*" yields this on the old server. (I've replaced the sharing users e-mail to user(a)sharer.dk and the reading users to user(a)reader.dk) A1 LIST "Shared/" "*" * LIST (\HasNoChildren) "/" Shared/user(a)sharer.dk A1 OK List completed (0.000 + 0.000 secs). and this on the new A1 LIST "Shared/" "*" A1 OK List completed (0.006 + 0.000 + 0.005 secs). Log output from the new server below (i've only included the events happening during the LIST account) -- New, non-working log start -- Namespace : type=shared, prefix=Shared/%u/, sep=/, inbox=no, hidden=no, list=children, subscriptions=no location=maildir:/data/mail/%d/%n/maildir:INDEX=~/maildir/shared/%u:INDEXPVT:~/maildir/shared/%u shared: root=/var/run/dovecot, index=, indexpvt=, control=, inbox=, alt= fts: Indexes disabled for namespace 'Shared/%u/' acl: initializing backend with data: vfile acl: acl username = user(a)reader.dk acl: owner = 0 acl vfile: Global ACLs disabled acl vfile: file /data/mail/reader.dk/user/maildir/dovecot-acl not found acl vfile: file /data/mail/reader.dk/user/maildir/.Junk/dovecot-acl not found acl vfile: file /data/mail/reader.dk/user/maildir/.Trash/dovecot-acl not found acl vfile: file /data/mail/reader.dk/user/maildir/.Sent/dovecot-acl not found auth-master: userdb lookup(user(a)sharer.dk): Started userdb lookup auth-master: conn unix:/var/run/dovecot/auth-userdb: Connecting auth-master: conn unix:/var/run/dovecot/auth-userdb (pid=1636,uid=0): Client connected (fd=16) auth-master: userdb lookup(user(a)sharer.dk): auth USER input: user(a)sharer.dk uid=120 gid=129 home=/data/mail/sharer.dk/user auth-master: userdb lookup(user(a)sharer.dk): Finished userdb lookup (username=user(a)sharer.dk uid=120 gid=129 home=/data/mail/sharer.dk/user) Namespace Shared/: Using permissions from : mode=0700 gid=default -- New, non-working log end -- and here from the old, working installation -- Old, working log start -- Namespace : type=shared, prefix=Shared/%u/, sep=/, inbox=no, hidden=no, list=children, subscriptions=no location=maildir:/data/mail/%d/%n/maildir:INDEX=~/Maildir/shared/%u:INDEXPVT=~/Maildir/shared/%u shared: root=/var/run/dovecot, index=, indexpvt=, control=, inbox=, alt= acl: initializing backend with data: vfile acl: acl username = user(a)reader.dk acl: owner = 0 acl vfile: Global ACLs disabled auth input: user(a)sharer.dk uid=118 gid=126 home=/data/mail/sharer.dk/user namespace/default/inbox=yes maildir++: root=/data/mail/sharer.dk/user/maildir, index=/data/mail/sharer.dk/user/Maildir/shared/user(a)sharer.dk, indexpvt=/data/mail/sharer.dk/user/Maildir/shared/user(a)sharer.dk, control=, inbox=/data/mail/sharer.dk/user/maildir, alt= acl: initializing backend with data: vfile acl: acl username = user(a)sharer.dk acl: owner = 1 acl vfile: Global ACLs disabled maildir++: root=/data/mail/sharer.dk/user/maildir, index=/data/mail/reader.dk/user/Maildir/shared/user(a)sharer.dk, indexpvt=/data/mail/reader.dk/user/Maildir/shared/user(a)sharer.dk, control=, inbox=/data/mail/sharer.dk/user/maildir, alt= acl: initializing backend with data: vfile acl: acl username = user(a)reader.dk acl: owner = 0 acl vfile: Global ACLs disabled acl vfile: reading file /data/mail/sharer.dk/user/maildir/dovecot-acl acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Junk acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Trash acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Sent acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Drafts acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Junk acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Trash acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Sent acl: Mailbox not in dovecot-acl-list: Shared/user(a)sharer.dk/Drafts -- Old, working log end -- The two logs are quite different, the new one seems to do user lookups via the auth socket, which the old one does not, and then just stops there. I'm not going to try and speculate more, I hope that someone here can see something from the logs, as I simply do not know how to fix this problem. -- Peter Reinhold

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director option
by soumitri＠iitk.ac.in 09 Dec '19

09 Dec '19

Hi, I think option-2 below seems better or am I missing something with director concept. 1. As director and back-end in same server (broken) not recommended, I need minimum 4 servers (2 for director, 2 back-end IMAP). Indexes and mail must be in NFS shared storage(not optimal), as a user may land on any of the back-end servers (assuming no static mapping of user from pass DB). 2) Proxy_may in passDB (static mapping of users to servers makes balancing little partial but can be admin optimized) can achieve the above setup with 2 servers without director. Here indexes can be on their local disk (efficient) and mail on shared storage (NFS). Both case I can use RR DNS to get users IMAP traffic to front end. Any guidance on this is appreciated. -- Sincerely, Soumitri Mishra

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Adding Size information to Maildir files
by ＠lbutlr 08 Dec '19

08 Dec '19

I searched on this, but found information only for very very old dovecot versions, and those answers didn’t quite cover what I am asking. All my current mail has the ",S=51489,W=52449:” style tag in the Maildir filename, but I have many messages in Archive mailboxes that have no size information. Is it possible to automate adding the size info to the files without mucking up the mail in various ways? (In my mail spool its about 10:1 with nearly 400,000 mails tagged with a size field and just over 40,000 not tagged, so it is definitely not something I want to do by hand). -- You know, Rick, I have many a friend in Casablanca, but somehow, just because you despise me, you are the only one I trust.

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SEARCH=INTHREAD not announced in capabilities
by kael 08 Dec '19

08 Dec '19

Hello, Looking at the SEARCH=INTHREAD extension, Dovecot implements it but the server doesn't announce the extension in its capabilities (at least testing with imap://dovecot.org or looking at https://github.com/dovecot/core/blob/169b1ff42a28cdf2768391d20e8fef13aeae54… ) It does work though: a UID SEARCH INTHREAD REFS HEADER subject "Re: bash script" * SEARCH 106075 106076 106084 a OK Search completed (1.047 + 0.000 + 1.046 secs). I'd have thought that announcing THREAD=REFS would imply SEARCH=INTHREAD, but testing with Fastmail only the former is implemented. Looks like a bug in Dovecot as the client can't discover the SEARCH=INTHREAD capability. Cheers. -- kael

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Accessing the -a and -d from dovecot-lda
by Aristedes Maniatis 08 Dec '19

08 Dec '19

I've got exim set up to deliver like this: command = /usr/local/libexec/dovecot/dovecot-lda -a $original_local_part@$original_domain -d $local_part@$domain -f $sender_address If an email to is bob+sales(a)ish.com.au then we should have "-a bob+sales(a)subdomain.ish.com.au -d bob(a)ish.com.au". Now in dovecot, only bob(a)ish.com.au is a real user but I want to be able to use both addresses in different places. For LDAP lookup I need to reference bob(a)ish.com.au. But in sieve, I need to see the original address with plus notation. However, dovecot appears to get the "-a" address into %u and the "-d" address can't be accessed. https://doc.dovecot.org/configuration_manual/config_file/config_variables/ Is what is the point of dovecot-lda having both -a and -d options? Can I get at both bits of data? Thanks Ari

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ssl_min_protocol = TLSv1.3 does not work
by Laurens Post 08 Dec '19

08 Dec '19

Hi all, I'm trying to set up my server with support for TLS 1.3 only, but that does not seem to be supported. First off, TLS 1.3 itself does work fine, so it's not the config or ssl library, and 1.3-only works fine with Postfix. The problem is only in disabling TLS 1.2 for Dovecot. On connection, I'm getting an error that 1.3 is an "Unknown ssl_min_protocol setting". Reading the source code, it seems that `openssl_min_protocol_to_options` in `src/lib-ssl-iostream/iostream-openssl-common.c` is simply missing an entry like { SSL_TXT_TLSV1_3, TLS1_3_VERSION, SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2 } Is this a bug, something intentional, or has it simply not been added yet because nobody has been crazy enough to ask for it? Kind regards, Laurens

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Dovecot 2.3.8 - How to force index creation for user/mailbox?
by Tomek Lutelmowski 08 Dec '19

08 Dec '19

Hello, I'm using maildirs, and I have problems with big mailboxes (~ 20000 emails, 30-50GB) - sometimes access to such mailbox takes very long (~10 minutes), I would like to be able to create index for mailbox in background, but I couldn't find any way to do it. So far I tried: *doveadm -D -vvv index -u user 'Folder' * But even if this folder have no dovecot.index* files - I always get: doveadm(user): Info: Wersje robocze: Cache is already up to date It seems that doveadm doesn't actually checks if the index is present. The index is created only when I log with IMAP client and check the folder. So i tried: *doveadm mailbox cache purge -u user 'Folder' * No joy either: doveadm(user): Error: Cache is unusable And command below doesn't actually do anything to index: *doveadm -vvv force-resync -u user 'Folder'* Is there any way to use doveadm tool to create/fix index? Shouldn't the index be updated on each email arrival? Cheers, TomekL

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lmtp proxy 'Invalid FROM: Missing domain'
by Marc Roos 06 Dec '19

06 Dec '19

Looks like I have a correct working proxy on pop3. On both backend servers I can run cat /tmp/test.msg | /usr/libexec/dovecot/lmtp Giving 250 2.1.5 OK 354 OK Info: Disconnect from local: Connection closed (in DATA) However if I run the same command on the proxy, I am getting this error 'Invalid FROM: Missing domain'. How is this FROM even relevant if message just needs to be delivered to RCPT TO.

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Sieve redirect does not collect the sendmail child process correctly (Dovecot 2.3.4.1, Pigeonhole 0.5.4)
by Delian Krustev 06 Dec '19

06 Dec '19

Hi, I got this simple test Sieve config: ############################################# # Sieve Filter # Generated by Ingo (http://www.horde.org/apps/ingo/) (11/01/2019, 10:46:06 PM) # Forwards if true { redirect "krustev(a)krustev.net"; } # Forward Keep Action if true { keep; stop; } ############################################# Which used to work fine with: # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.16 (fed8554) # OS: Linux 4.9.0-8-amd64 x86_64 Debian 9.11 Then I've tried migrating to: # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 () # OS: Linux 4.19.0-6-amd64 x86_64 Debian 10.1 And started getting the following errors: # cat .dovecot.sieve.log sieve: info: started log at Nov 01 22:55:50. error: msgid=<4221584.AlbrL4BjWX@home>: failed to redirect message to <krustev(a)krustev.net>: Failed to execute sendmail (temporary failure). A google search lead me to: https://bugs.archlinux.org/task/56933 which blames systemd service changes: NoNewPrivileges=true , however I'm not running dovecot via systemd but use DJB's daemontools for service supervision . The page above suggested to change from: sendmail_path = /usr/sbin/sendmail to submission_host = localhost in "conf.d/15-lda.conf", which worked fine. But since I don't have other problems with "sendmail" execution I've decided to debug this further. I have dovecot integrated with Qmail: # apt-cache policy qmail qmail: Installed: 1.06-6+b1 Candidate: 1.06-6+b1 Version table: *** 1.06-6+b1 900 900 http://deb.debian.org/debian buster/main amd64 Packages so sendmail's implementation comes from Qmail: # ls -al `which sendmail` lrwxrwxrwx 1 root root 14 Feb 23 2015 /usr/sbin/sendmail -> qmail-sendmail I've strace-d the qmail-lspawn process which executes dovecot's LDA, which processes the Sieve rules and executes "sendmail". The sendmail process executes and returns successfully, the mail is delivered, however the Sieve code does not wait for the child process correctly and tries to kill the already exited process after 30 seconds timeout. Here are the problematic Sieve syscalls: 22:55:15.283482 execve("/usr/lib/dovecot/deliver", ["/usr/lib/dovecot/deliver", "-e", "-a", "tester(a)krustev.net"], 0x5620b4330c40 /* 61 vars */) = 0 ... 22:55:15.286845 pipe([5, 6]) = 0 22:55:15.286870 fcntl(5, F_GETFL) = 0 (flags O_RDONLY) 22:55:15.286889 fcntl(5, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 22:55:15.286909 fcntl(6, F_GETFL) = 0x1 (flags O_WRONLY) 22:55:15.286928 fcntl(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 22:55:15.286947 fcntl(5, F_GETFD) = 0 22:55:15.286966 fcntl(5, F_SETFD, FD_CLOEXEC) = 0 22:55:15.286985 fcntl(6, F_GETFD) = 0 22:55:15.287003 fcntl(6, F_SETFD, FD_CLOEXEC) = 0 22:55:15.287024 epoll_create(128) = 7 22:55:15.287043 fcntl(7, F_GETFD) = 0 22:55:15.287062 fcntl(7, F_SETFD, FD_CLOEXEC) = 0 22:55:15.287084 epoll_ctl(7, EPOLL_CTL_ADD, 5, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=47201248, u64=94699781110752}}) = 0 ... 22:55:15.294625 epoll_ctl(7, EPOLL_CTL_DEL, 5, 0x7ffd59156b8c) = 0 22:55:15.294647 epoll_create(128) = 12 22:55:15.294668 fcntl(12, F_GETFD) = 0 22:55:15.294687 fcntl(12, F_SETFD, FD_CLOEXEC) = 0 22:55:15.294708 epoll_ctl(12, EPOLL_CTL_ADD, 5, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=47455536, u64=94699781365040}}) = 0 Dovecot/Sieve will wait for this pipe FD 5 later, but no event will arrive. 22:55:15.294740 rt_sigaction(SIGCHLD, {sa_handler=0x7f15404b3640, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1540229840}, NULL, 8) = 0 22:55:15.294763 pipe([13, 14]) = 0 22:55:15.294788 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f15401ec2d0) = 6929 The sendmail child process with PID 6929 is forked here. 22:55:15.294928 close(13) = 0 22:55:15.294969 fcntl(14, F_GETFL) = 0x1 (flags O_WRONLY) 22:55:15.295006 fcntl(14, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 22:55:15.295039 lseek(14, 0, SEEK_CUR) = -1 ESPIPE (Illegal seek) 22:55:15.295065 getsockname(14, 0x7ffd59156a40, [28]) = -1 ENOTSOCK (Socket operation on non-socket) 22:55:15.295109 write(14, "EDITTED LONG MESSAGE DATA\n", 1461) = 1461 22:55:15.295150 close(14) = 0 22:55:15.295175 wait4(6929, 0x562102d4fee4, WNOHANG, NULL) = 0 22:55:15.295211 epoll_wait(12, [], 1, 30000) = 0 Here's where the 30 second's timeout is requested and waited. 22:55:45.325580 kill(6929, SIGTERM) = 0 22:55:45.325769 epoll_wait(12, [], 1, 5000) = 0 22:55:50.331108 kill(6929, SIGKILL) = 0 22:55:50.332867 wait4(6929, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6929 22:55:50.333020 epoll_ctl(12, EPOLL_CTL_DEL, 5, 0x7ffd59156b6c) = 0 22:55:50.333060 epoll_ctl(7, EPOLL_CTL_ADD, 5, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=47201248, u64=94699781110752}}) = 0 22:55:50.333097 close(12) = 0 22:55:50.333240 sendto(9, "<19>Nov 1 22:55:50 dovecot: lda(krustev)<6926><IlpXEdO3vF0OGwAA4EGeoA>: Error: sieve: msgid=<4221584.AlbrL4BjWX@home>: failed to redirect message to <krustev(a)krustev.net>: Failed to execute sendmail (temporary failure)", 220, MSG_NOSIGNAL, NULL, 0) = 220 22:55:50.333321 openat(AT_FDCWD, "/home/krustev/mail/domains/krustev.net/tester/.dovecot.sieve.log", O_WRONLY|O_CREAT|O_APPEND, 0600) = 12 22:55:50.333557 fstat(12, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0 22:55:50.333613 lseek(12, 0, SEEK_CUR) = 0 22:55:50.333643 fstat(12, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0 22:55:50.333678 stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=127, ...}) = 0 22:55:50.333726 write(12, "sieve: info: started log at Nov 01 22:55:50.\n", 45) = 45 22:55:50.333788 write(12, "error: msgid=<4221584.AlbrL4BjWX@home>: failed to redirect message to <krustev(a)krustev.net>: Failed to execute sendmail (temporary failure).\n", 141) = 141 22:55:50.333857 sendto(9, "<19>Nov 1 22:55:50 dovecot: lda(krustev)<6926><IlpXEdO3vF0OGwAA4EGeoA>: Error: sieve: Execution of script /home/krustev/mail/domains/krustev.net/tester/.dovecot.sieve was aborted due to temporary failure (user logfile /home/krustev/mail/domains/krustev.net/tester/.dovecot.sieve.log may reveal additional details)", 317, MSG_NOSIGNAL, NULL, 0) = 317 22:55:50.333941 close(10) = 0 22:55:50.333996 close(12) = 0 22:55:50.334057 lstat("/home/krustev/mail/domains/krustev.net/tester/.dovecot.lda-dupes.lock", {st_mode=S_IFREG|0600, st_size=0, ...}) = 0 22:55:50.334095 unlink("/home/krustev/mail/domains/krustev.net/tester/.dovecot.lda-dupes.lock") = 0 22:55:50.334188 close(11) = 0 22:55:50.334245 write(2, "Execution of Sieve filters was aborted due to temporary failure\n", 64) = 64 22:55:50.334418 munmap(0x7f15401bc000, 103680) = 0 22:55:50.334481 munmap(0x7f15403b3000, 32800) = 0 22:55:50.334516 munmap(0x7f15400fb000, 788352) = 0 22:55:50.334610 epoll_ctl(7, EPOLL_CTL_DEL, 8, 0x7ffd5915706c) = 0 22:55:50.334640 close(8) = 0 22:55:50.334685 epoll_ctl(7, EPOLL_CTL_DEL, 5, 0x7ffd5915706c) = 0 22:55:50.334738 close(5) = 0 22:55:50.334785 close(6) = 0 22:55:50.334813 close(7) = 0 22:55:50.334841 close(4) = 0 22:55:50.334881 exit_group(75) = ? 22:55:50.335077 +++ exited with 75 +++ Here's the interesting part of sendmail's (PID 6929) execution with timestamps: .. 22:55:15.295268 execve("/usr/sbin/sendmail", ["/usr/sbin/sendmail", "-i", "-f", "tester(a)krustev.net", "--", "krustev(a)krustev.net"], NULL) = 0 ... 22:55:15.296024 chdir("/var/lib/qmail") = 0 22:55:15.296055 execve("bin/qmail-inject", ["bin/qmail-inject", "-a", "-f", "tester(a)krustev.net", "--", "krustev(a)krustev.net"], 0x55741b1890e0 /* 2 vars */) = 0 ... 22:55:15.297264 vfork() = 6930 .. 22:55:15.297930 wait4(6930, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 6930 22:55:15.305391 exit_group(0) = ? 22:55:15.305472 +++ exited with 0 +++ The PID 6930 is a call to the setuid qmail-queue, which also executes and returns normally. With all the above stated - It seems that the problem is in the "epoll" calls. Either it is not set-up correctly or dovecot-LDA does not receive the information it waits for. I've tried to make my way trough Dovecot's source code but have concluded that someone more familiar should be able to spot the problem much quicker than me. Let me know if you need some additional information. Sorry for the long mail. Dovecot config follows: # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.4 () # OS: Linux 4.19.0-6-amd64 x86_64 Debian 10.1 # Hostname: pinko.livehostserver.com auth_mechanisms = plain login disable_plaintext_auth = no lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes log_path = /dev/stderr log_timestamp = mail_plugins = " quota" 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 namespace inbox { inbox = yes location = mailbox Archive { special_use = \Archive } mailbox Archives { special_use = \Archive } mailbox "Deleted Items" { special_use = \Trash } mailbox "Deleted Messages" { special_use = \Trash } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox "Junk E-mail" { special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Items" { special_use = \Sent } mailbox "Sent Mail" { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Spam { special_use = \Junk } mailbox Trash { auto = subscribe special_use = \Trash } mailbox sent-mail { special_use = \Sent } prefix = } passdb { args = /usr/local/sbin/vchkpw-dovecot driver = checkpassword } plugin { antispam_allow_append_to_spam = yes antispam_backend = pipe antispam_pipe_program = /bin/sh antispam_pipe_program_notspam_args = -c;HOME=$PWD exec nice sa-learn --ham antispam_pipe_program_spam_args = -c;HOME=$PWD exec nice sa-learn --spam antispam_pipe_tmpdir = /tmp antispam_spam_pattern_ignorecase = spam;junk;junk * antispam_trash_pattern_ignorecase = trash;Deleted * quota = maildir:User quota sieve = ~/.dovecot.sieve sieve_dir = ~/sieve sieve_redirect_envelope_from = recipient } protocols = " imap sieve pop3" service anvil { client_limit = 1536 } service auth { client_limit = 1536 } service imap-login { process_limit = 512 } service managesieve-login { inet_listener sieve { port = 4190 } process_min_avail = 1 service_count = 1 } service managesieve { process_limit = 50 } service pop3-login { process_limit = 512 } service stats { client_limit = 1024 unix_listener stats-writer { mode = 0666 } } ssl_ca = </scm/deb-global/etc/ssl/intermediate-CAs.crt ssl_cert = </etc/ssl/default-fullchain.pem ssl_client_ca_dir = /etc/ssl/certs ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { driver = prefetch } protocol lda { info_log_path = log_path = mail_plugins = " quota sieve" } protocol imap { mail_max_userip_connections = 64 mail_plugins = " quota imap_quota antispam" } protocol sieve { mail_max_userip_connections = 10 managesieve_implementation_string = Dovecot Pigeonhole managesieve_max_line_length = 65536 } Best regards -- Delian

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