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[Dovecot] Segfault problem when using TWO dovecot servers!
by Adam M. Dunn 10 Mar '06

10 Mar '06

Forgive me if this gets submitted twice. I had issues signing up for the listserv but I think I'm strait now. Hi all, I just started working with Dovecot and I'd like to use it for my organization, but I've run into a little problem. So far I love it and it does what I need. One thing we need is to be able to write to multiple mailbox formats on a per user basis (mbox or Maildir), and it does just that. I want users to be able to choose their format, and I can let it autodetect for me. The way I do that is I have Maildrop filters check for the presence of a ~Maildir, and if it finds that it writes to it, otherwise it writes to ~mbox. Dovecot is the only IMAP server I've found to read either or without hard coding one or the other in the config file. The problem: We also want failover. Mail/home directories are NFS mounted. I was planning to setup two dovecot servers, and noticed that whenever one server writes its temp files to the mail directory, if another server tries to read it you get a segfault and the child process fails and dies. So it basically looks like only one server can own the files, and it won't share. I considered trying to set the INDEX option on the mail boxes to write local indexes, but if I try to specify something like: default_mail_env = INDEX=/var/indexes/%d/%n, it doesn't work. Sure I can make it work by putting in a mailbox format before the INDEX, but then I can't use the autodetect which I need. Here's the syslog error: kernel: imap[13689]: segfault at 00007fffffe38000 rip 00002aaaaad3823f rsp 00007fffffe351f0 error 4 Any solutions? I really need this to work badly, or we may have to rethink our entire mail strategy. I'm also using the latest version 1.0beta3. I considered namespaces, but correct me if I'm wrong, you can't setup two namespaces and have it pick the first mailbox format available like the autodetect feature does. I tried seting up namespaces for both mbox and Maildir, but it just creates both. Please help someone. I need a solution to present to my boss, even if that means we have to run one server until the bug is fixed in the next version. Thanks, Adam

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[Dovecot] Setup Dovecot on os X
by Martin Kvapil 10 Mar '06

10 Mar '06

Hey, can anybody help me with this? i get it to work but i get errors when i try to login a client, i guess it is because the authentication part is messed up. What methods should i use? PAM for password i guess but for account? /martin

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[Dovecot] Error question?
by Matt Juszczak 10 Mar '06

10 Mar '06

Mar 9 16:15:19 bob dovecot: imap(username): file mbox-sync-rewrite.c: line 106(mbox_sync_headers_add_space): assertion failed: (start_pos < data_size) Getting these errors like crazy. Any ideas? Thanks! Regards, Matt Juszczak

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[Dovecot] ssl certs
by lenny＠edpausa.com 10 Mar '06

10 Mar '06

is it possible to use 2 different sets of ssl certificates, for 2 different hostnames ( e.g. pop.domain.com and imap.domain.com ) ? thank you

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[Dovecot] POP3 extension to accept UIDL ranges?
by Matthias Andree 10 Mar '06

10 Mar '06

Greetings, is anybody aware of an extension to POP3 that supports UIDL ranges? It would be very useful for keep-messages-on-server setups (yes, I know, IMAP4 domain) to be able to do UIDL 21-42 to obtain just these 22 UIDs (this would always have to be a multi-line reply, just like UIDL without argument). If such a thing does not exist yet, perhaps a keyword such as "[X]UIDLRANGES" in the CAPA response might advertise this feature to clients. Regards, -- Matthias Andree

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[Dovecot] Migrating UW-IMAP to Dovecot on Solaris 9
by Bertrand Leboeuf 09 Mar '06

09 Mar '06

In the process of migrating to Dovecot 1.0beta3, any tips or step-by-step instructions that might relate to Solaris 9. Thanks Bertrand Leboeuf leboeuf(a)emt.inrs.ca

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[Dovecot] Two namespaces with same prefix.
by Václav Haisman 09 Mar '06

09 Mar '06

Hi, I have yet another problem. First let me explain my setup. I used to use pine a lot so there are mbox mailboxes in ~/mail. Recently I added a Maildir too and moved most of the mbox mailboxes into Maildir format. Now I thoght it would be nice to have them all "in line" in Thunderbird so I tried this configuration: namespace private { separator = / prefix = location = %h/mbox inbox = yes } namespace private { separator = / prefix = location = maildir:%h/Maildir } The problem is that with this configuration I cannot access the ~/mail/box mailboxes. Thunderbird responds with "Mailbox doesn't exist: box" Is such kind of configuration with two namespaces having same prefix unsupported? Vaclav Haisman

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[Dovecot] Dovecot LDA doesn't build against 1.0beta3
by Luca Corti 09 Mar '06

09 Mar '06

Here's what I get. Btw I'm on Linux/UltraSparc: gcc -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -o deliver deliver.o duplicate.o imparse.o mail-send.o map.o sieve-cmu.o smtpclient.o -Wl,--export-dynamic libsieve/libsieve.a /root/luca/dovecot-1.0.beta3/src/lib-storage/register/libstorage-register.a /root/luca/dovecot-1.0.beta3/src/lib-storage/index/maildir/libstorage_maildir.a /root/luca/dovecot-1.0.beta3/src/lib-storage/index/mbox/libstorage_mbox.a /root/luca/dovecot-1.0.beta3/src/lib-storage/index/dbox/libstorage_dbox.a /root/luca/dovecot-1.0.beta3/src/lib-storage/index/libstorage_index.a /root/luca/dovecot-1.0.beta3/src/lib-index/libindex.a /root/luca/dovecot-1.0.beta3/src/lib-storage/libstorage.a /root/luca/dovecot-1.0.beta3/src/lib-storage/subscription-file/libstorage_subscription_file.a /root/luca/dovecot-1.0.beta3/src/lib-imap/libimap.a /root/luca/dovecot-1.0.beta3/src/lib-mail/libmail.a /root/luca/dovecot-1.0.beta3/src/lib-dict/libdict.a /root/luca/dovecot-1.0.beta3/src/lib-charset/libcharset.a /root/luca/dovecot-1.0.beta3/src/lib/liblib.a -ldl libsieve/libsieve.a(script.o)(.text+0x2e4): In function `sieve_script_parse': /root/luca/dovecot-lda/src/libsieve/script.c:141: undefined reference to `yylineno' libsieve/libsieve.a(script.o)(.text +0x2f8):/root/luca/dovecot-lda/src/libsieve/script.c:141: undefined reference to `yylineno' libsieve/libsieve.a(sieve.o)(.text+0x1184): In function `sieveparse': /root/luca/dovecot-lda/src/libsieve/sieve.c:1311: undefined reference to `sievelex' libsieve/libsieve.a(sieve.o)(.text+0x11bc): In function `sieve_parse': /root/luca/dovecot-lda/src/libsieve/sieve.y:551: undefined reference to `yyrestart' libsieve/libsieve.a(sieve.o)(.text+0x1210): In function `sieveerror': /root/luca/dovecot-lda/src/libsieve/sieve.y:568: undefined reference to `yylineno' libsieve/libsieve.a(sieve.o)(.text +0x1218):/root/luca/dovecot-lda/src/libsieve/sieve.y:568: undefined reference to `yylineno' libsieve/libsieve.a(addr.o)(.text+0x62c): In function `addrparse': /root/luca/dovecot-lda/src/libsieve/addr.c:958: undefined reference to `addrlex' collect2: ld returned 1 exit status make[3]: *** [deliver] Error 1 make[3]: Leaving directory `/root/luca/dovecot-lda/src' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/root/luca/dovecot-lda/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/root/luca/dovecot-lda' make: *** [all] Error 2 thanks -- Luca Corti PGP Key ID 1F38C091 BOFH excuse of the moment: Our ISP is having {switching,routing,SMDS,frame relay} problems

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[Dovecot] Dovecot + FreeBSD 6.0 + pam_ldap + nss_ldap
by Frank Bonnet 09 Mar '06

09 Mar '06

Hello all I am new to dovecot and I have some troubles to make it working on a FreeBSD 6.0 box On this machine I have nss_ldap + pam_ldap working to login users but dovecot is not working for "ldap" users, it works only for users that are "really" in /etc/passwd file. I have configured dovecot to use the passwd auth mechanism as the OS is suppose to do the job, but it won't work. See attached my dovecot.conf file. Thanks for any help. -- Regards Frank Bonnet

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[Dovecot] Default SELinux policy on Fedora FC4 prevents dovecot service from starting
by slohcine＠verizon.net 09 Mar '06

09 Mar '06

Hello, I recently setup a Fedora FC4 server to host e-mail and webapps. During the install, I turned on SELinux in active mode. All apps seems to work OK but Dovecot daemon won't start. In the audit log, I see this entry when I try to start the dovecot daemon. type=AVC msg=audit(1141464818.541:40305): avc: denied { read } for pid=1989 comm="dovecot" name=dovecot.pem dev=md2 ino=3646976 scontext=system_u:system_r:dovecot_t tcontext=system_u:object_r:cert_t tclass=file type=PATH msg=audit(1141499436.214:3266533): item=0 name="/etc/pki/dovecot/dovecot.pem" inode=3646976 dev=09:02 mode=0100600 ouid=0 ogid=0 rdev=00:00 I put SELinux into permissive mode and Dovecot works OK. Looks like dovecot does not assume the correct security context when it initializes and reads the cert file. My question for the list is what changes should I make to the SELinux policy to safely permit dovecot to read the file? I'm no expert at SELinux but hoping for some direction, or another way to solve this problem. Ideally, I'd like to keep SELinux in enforcing mode. Many thanks, Eric

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