- dovecot - dovecot.org

[Dovecot] Dovecot Virtual Users & Sendmail
by Chris Hogan 26 Aug '05

26 Aug '05

Not directly Dovecot, but a configuration problem. We have a working set-up with Dovecot+Procmail+Sendmail, using POP-before-SMTP. We want to be able to offer email accounts to some local schools, using SquirrelMail (keeps their costs & maintenance down). The whole arrangement is working, but we don't want to have to have 300+ School children as users of our Red Hat Enterprise server, so I've set up a passwd style file for authentication. This all works fine, they can access mailboxes & send emails, but to receive Sendmail is checking that they are unix users & bounces messages back if they aren't in /etc/passwd too. Has anybody ever got Sendmail working with Dovecot virtual users? Or is it time I switched to Postfix? Chris Hogan

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[Dovecot] 1.0alpha1: assert and core
by Jeff A. Earickson 26 Aug '05

26 Aug '05

Hi, I've been running 1.0alpha1 in production since August 18, and got my first assert and core yesterday. Otherwise it has been running flawlessly. My setup: Sun E220R, Solaris 9, compiled dovecot with gcc 4.0.1, configured dovecot like so: #!/usr/bin/sh VERSION=1.0-alpha1 CC=gcc CFLAGS="-g -O" CPPFLAGS=-I/opt/openssl/include LDFLAGS=-L/opt/openssl/lib \ ./configure --prefix=/opt/dovecot.$VERSION --with-ssl=openssl \ --with-ssldir=/opt/openssl/ssl > configure.out The syslog message: Aug 25 04:15:43 emerald dovecot: [ID 107833 mail.error] IMAP(user): file mbox-sync-update.c: line 442 (mbox_sync_update_header_from): assertion failed: (ctx->mail.uid == 0 || ctx->mail.uid_broken || ctx->mail.uid == mail->uid) Gdb analysis of the resulting core file is attached, I hope this helps. The user's mailbox is 41003432 bytes in size. Jeff Earickson Colby College

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[Dovecot] [Fwd: Re:Dovecot] Finally PEBKAC was Failed authentication to a mysql database (bug or PEBKAC?)]
by jigen 25 Aug '05

25 Aug '05

-----Forwarded Message----- From: jigen <jigen(a)metalabs.org> To: Timo Sirainen <tss(a)iki.fi> Subject: Re:Dovecot] Finally PEBKAC was Failed authentication to a mysql database (bug or PEBKAC?) Date: Sat, 20 Aug 2005 18:33:11 +0200 On Fri, 2005-08-19 at 16:56, Timo Sirainen wrote: > Dovecot just passes these values to Mysql library without doing anything > to them itself. So if it happens, it's Mysql library bug. It isn't a bug of mysql or dovecot. It's the most simple problem: mysql permissions :P In mysql 127.0.0.1 and localhost are differents things, and if you copy the user (posta in my case), it doesn't copy the password (and so it works without a password). And more: if you put password, you have to flush privileges. Finally PEBKAC :| > > One more question: how I can specify more different mysql-db conteining > > different users? > > I try in the following way: > > passdb sql { > > args = /etc/dovecot/dovecot-mysql_debord.conf > > } > > passdb sql { > > args = /etc/dovecot/dovecot-mysql_django.conf > > } > > This should work. After trying to authenticate against the first one it > should try the second. Although I'm not sure if I've tried two passdb > sqls before, maybe Dovecot has problems with that.. Well, I'll try once > I get home. I'm working on this problem, but at the moment it doesn't work. It always connects only to second db. Another PEBKAC? This is my configuration file, maybe there's something wrong. (i've cut out commented lines) ----dovecot.conf---- base_dir = /var/run/dovecot/ protocols = imap imaps pop3 pop3s ssl_disable = yes ssl_cert_file = /etc/ssl/django_posta.pem ssl_key_file = /etc/ssl/private/django_posta.pem verbose_proctitle = yes verbose_ssl = yes first_valid_uid = 507 last_valid_uid = 507 first_valid_gid = 507 last_valid_gid = 507 default_mail_env = maildir:/var/vmail/%d/%n@%d/ mail_full_filesystem_access = yes protocol imap { } protocol pop3 { } auth_verbose = yes auth_debug = yes auth default { mechanisms = plain passdb sql { args = /etc/dovecot/dovecot-mysql_debord.conf } passdb sql { args = /etc/dovecot/dovecot-mysql_django.conf } userdb static { args = uid=507 gid=507 } user = root count = 2 } --------------- ciao jigen

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[Dovecot] Thread sorting problem
by Greg Trounson 24 Aug '05

24 Aug '05

I've just installed Dovecot on a Debian Sarge machine and am seeing some very strange thread sorting. In Mozilla Mail and Thunderbird on both Fedora and Debian clients my threads served up by Dovecot look like this (number denotes message time): |-11 | `-12 |-2 |-3 |-4 | `-5 | `-6 | `-7 | `-8 |-1 `-9 `-10 Where the exact same threads served by Sendmail/imap look like this: |-1 |-2 |-3 |-4 | `-5 | `-6 | `-7 | `-8 |-9 | `-10 |-11 | `-12 Squirrelmail shows the threads correctly in both cases too, so I suspect there might be something funny going on with how Thunderbird handles Maildir threads. I notice that Dovecot doesn't support the THREAD=ORDEREDSUBJECT capability, might that have something to do with it? thanks, Greg

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[Dovecot] verbose imap logging
by Jens Laas 24 Aug '05

24 Aug '05

Implements more verbose imap logging (when client exits). Similar to existing logging in POP3. Due to the nature of imap and my incomplete understanding (of the dovecot code) the session statistics reported have varying accuracy. Much better than nothing IMO. Cheers, Jens ----------------------------------------------------------------------- 'This mail automatically becomes portable when carried.' ----------------------------------------------------------------------- Jens Låås Email: jens.laas(a)data.slu.se Department of Computer Services, SLU Phone: +46 18 67 35 15 Vindbrovägen 1 P.O. Box 7079 S-750 07 Uppsala SWEDEN -----------------------------------------------------------------------

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[Dovecot] thunderbird pop3 delete bug workaround
by Jens Laas 24 Aug '05

24 Aug '05

Following is patch that allows tbird to download and redelete the last deleted message. Not particularily nice but for "normal" usage the bug/workaround is not triggered. Tested with huge inbox. --- src/pop3/client.h.orig 2005-08-23 15:00:48.000000000 +0200 +++ src/pop3/client.h 2005-08-23 15:02:18.000000000 +0200 @@ -35,6 +35,9 @@ unsigned int top_count; unsigned int retr_count; + unsigned int last_deleted; + int tbirdbug; + uoff_t *byte_counter; uoff_t byte_counter_offset; --- src/pop3/commands.c.orig 2005-08-24 13:24:33.000000000 +0200 +++ src/pop3/commands.c 2005-08-24 13:26:49.000000000 +0200 @@ -47,8 +47,15 @@ if (client->deleted) { if (client->deleted_bitmask[num / CHAR_BIT] & (1 << (num % CHAR_BIT))) { - client_send_line(client, "-ERR Message is deleted."); - return NULL; + if((client->tbirdbug<256) && (num == client->last_deleted)) + { + client->tbirdbug++; + } + else + { + client_send_line(client, "-ERR Message is deleted."); + return NULL; + } } } @@ -109,6 +116,7 @@ client->deleted_count++; client->deleted_size += client->message_sizes[msgnum]; client_send_line(client, "+OK Marked to be deleted."); + client->last_deleted = msgnum; return TRUE; } ----------------------------------------------------------------------- 'This mail automatically becomes portable when carried.' ----------------------------------------------------------------------- Jens Låås Email: jens.laas(a)data.slu.se Department of Computer Services, SLU Phone: +46 18 67 35 15 Vindbrovägen 1 P.O. Box 7079 S-750 07 Uppsala SWEDEN -----------------------------------------------------------------------

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[Dovecot] Dovecot Deliver?
by Marc Perkel 24 Aug '05

24 Aug '05

I guess Dovecot has an LDA called deliver. What is it and how do I use it? Or is it ready to be used. can't find any docs on it. -- Marc Perkel - marc(a)perkel.com Spam Filter: http://www.junkemailfilter.com My Blog: http://marc.perkel.com

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[Dovecot] public/private email accounts
by Ashvin Meetoo 24 Aug '05

24 Aug '05

Hi, I am running FC4 with postfix/dovecot/amavisd-new etc on my box with 50 staff email accounts (say 10 per 5 departments)... everything is working ok... I want to create 5 more accounts for each department (to be redirected to respective staffs, e.g. sales(a)xyz.com) as well one for everyone... that can be easily done by creating an account and modifying the .forward file in the /home/<user> folder. My great concern is that if by a virus attachment or spam is not detected and sent to everyone(a)xyz.com, it will be replicated to 50 email addresses... what I want is to have the 6 accounts mentionned above to be used only by the personnel and not the outside world... is there a way of doing this? Thank you. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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[Dovecot] Well, "Hard filesystem quota can also be problematic"
by Jeroen Scheerder 24 Aug '05

24 Aug '05

"Hard filesystem quota can also be problematic", quoth <http://www.dovecot.org/>. Since we actually use quota for our userbasg, this merited further investigation. Using 1.0-stable, we enabled quota on /var and /users filesystems, and set very low quota for a test account. Then we had some mail delivered on it, and we moved some messages about. At some point, Thunderbird started to croak about "The current command did not succeed. The mail server responded: Internal error occured. Refer to server log for more information. [<timestamp>].", "The current command did not succeed. The mail server responded: .", "The current command did not succeed. The mail server responded: Out of disk space." This I can live with. Hoever, at some point in our experiments we also found that a mailbox (mbox format) that did contain a few dozen messages suddenly was truncated to 0 bytes. Not so hot. Can anyone tell me whether or not there is, or will be, some way of using dovecot on a system with quota without risk of data loss when quota limits are reached? How do people cope with this? Regards, Jeroen. p.s. That first error message gave rise to the enclosed patch. diff -r -c1 dovecot-1.0-stable-patched/doc/auth-protocol.txt dovecot-1.0-stable/doc/auth-protocol.txt *** dovecot-1.0-stable-patched/doc/auth-protocol.txt Wed Jul 27 08:08:35 2005 --- dovecot-1.0-stable/doc/auth-protocol.txt Mon Jan 31 17:37:54 2005 *************** *** 171,173 **** ! FAIL reply means an internal error occurred. Usually either a configuration mistake or temporary error caused by lost resource (eg. database down). --- 171,173 ---- ! FAIL reply means an internal error occured. Usually either a configuration mistake or temporary error caused by lost resource (eg. database down). diff -r -c1 dovecot-1.0-stable-patched/doc/index.txt dovecot-1.0-stable/doc/index.txt *** dovecot-1.0-stable-patched/doc/index.txt Wed Jul 27 08:08:39 2005 --- dovecot-1.0-stable/doc/index.txt Mon Jan 31 17:37:54 2005 *************** *** 89,91 **** processes has to scan the mailbox, other processes simply check from the ! log file what changes occurred. --- 89,91 ---- processes has to scan the mailbox, other processes simply check from the ! log file what changes occured. diff -r -c1 dovecot-1.0-stable-patched/src/imap/client.h dovecot-1.0-stable/src/imap/client.h *** dovecot-1.0-stable-patched/src/imap/client.h Wed Jul 27 08:08:26 2005 --- dovecot-1.0-stable/src/imap/client.h Mon Jan 31 17:37:54 2005 *************** *** 68,70 **** /* Read a number of arguments. Returns TRUE if everything was read or ! FALSE if either needs more data or error occurred. */ int client_read_args(struct client *client, unsigned int count, --- 68,70 ---- /* Read a number of arguments. Returns TRUE if everything was read or ! FALSE if either needs more data or error occured. */ int client_read_args(struct client *client, unsigned int count, diff -r -c1 dovecot-1.0-stable-patched/src/imap/cmd-idle.c dovecot-1.0-stable/src/imap/cmd-idle.c *** dovecot-1.0-stable-patched/src/imap/cmd-idle.c Wed Jul 27 08:08:30 2005 --- dovecot-1.0-stable/src/imap/cmd-idle.c Mon Jan 31 17:37:54 2005 *************** *** 159,161 **** } else if (ctx->sync_pending) { ! /* more changes occurred while we were sending changes to client */ --- 159,161 ---- } else if (ctx->sync_pending) { ! /* more changes occured while we were sending changes to client */ diff -r -c1 dovecot-1.0-stable-patched/src/lib/file-cache.h dovecot-1.0-stable/src/lib/file-cache.h *** dovecot-1.0-stable-patched/src/lib/file-cache.h Wed Jul 27 08:06:28 2005 --- dovecot-1.0-stable/src/lib/file-cache.h Mon Jan 31 17:37:55 2005 *************** *** 12,14 **** /* Read data from file, returns how many bytes was actually read or -1 if ! error occurred. */ ssize_t file_cache_read(struct file_cache *cache, uoff_t offset, size_t size); --- 12,14 ---- /* Read data from file, returns how many bytes was actually read or -1 if ! error occured. */ ssize_t file_cache_read(struct file_cache *cache, uoff_t offset, size_t size); diff -r -c1 dovecot-1.0-stable-patched/src/lib/istream.h dovecot-1.0-stable/src/lib/istream.h *** dovecot-1.0-stable-patched/src/lib/istream.h Wed Jul 27 08:06:32 2005 --- dovecot-1.0-stable/src/lib/istream.h Mon Jan 31 17:37:54 2005 *************** *** 60,62 **** /* Like i_stream_next_line(), but reads for more data if needed. Returns NULL ! if more data is needed or error occurred. */ char *i_stream_read_next_line(struct istream *stream); --- 60,62 ---- /* Like i_stream_next_line(), but reads for more data if needed. Returns NULL ! if more data is needed or error occured. */ char *i_stream_read_next_line(struct istream *stream); diff -r -c1 dovecot-1.0-stable-patched/src/lib/read-full.h dovecot-1.0-stable/src/lib/read-full.h *** dovecot-1.0-stable-patched/src/lib/read-full.h Wed Jul 27 08:06:38 2005 --- dovecot-1.0-stable/src/lib/read-full.h Mon Jan 31 17:37:54 2005 *************** *** 3,5 **** ! /* Read data from file. Returns -1 if error occurred, or 0 if EOF came before everything was read, or 1 if all was ok. */ --- 3,5 ---- ! /* Read data from file. Returns -1 if error occured, or 0 if EOF came before everything was read, or 1 if all was ok. */ diff -r -c1 dovecot-1.0-stable-patched/src/lib/strfuncs.c dovecot-1.0-stable/src/lib/strfuncs.c *** dovecot-1.0-stable-patched/src/lib/strfuncs.c Wed Jul 27 08:06:47 2005 --- dovecot-1.0-stable/src/lib/strfuncs.c Mon May 16 23:15:10 2005 *************** *** 100,102 **** if (len < 0) { ! /* some error occurred */ len = 0; --- 100,102 ---- if (len < 0) { ! /* some error occured */ len = 0; diff -r -c1 dovecot-1.0-stable-patched/src/lib/write-full.h dovecot-1.0-stable/src/lib/write-full.h *** dovecot-1.0-stable-patched/src/lib/write-full.h Wed Jul 27 08:06:43 2005 --- dovecot-1.0-stable/src/lib/write-full.h Mon Jan 31 17:37:55 2005 *************** *** 3,5 **** ! /* Write data into file. Returns -1 if error occurred, or 0 if all was ok. If there's not enough space in device, -1 with ENOSPC is returned, and --- 3,5 ---- ! /* Write data into file. Returns -1 if error occured, or 0 if all was ok. If there's not enough space in device, -1 with ENOSPC is returned, and diff -r -c1 dovecot-1.0-stable-patched/src/lib-imap/imap-parser.h dovecot-1.0-stable/src/lib-imap/imap-parser.h *** dovecot-1.0-stable-patched/src/lib-imap/imap-parser.h Wed Jul 27 08:07:00 2005 --- dovecot-1.0-stable/src/lib-imap/imap-parser.h Mon Jan 31 17:37:55 2005 *************** *** 88,90 **** need to do that. Returns number of arguments read (may be less than count ! in case of EOL), -2 if more data is needed or -1 if error occurred. --- 88,90 ---- need to do that. Returns number of arguments read (may be less than count ! in case of EOL), -2 if more data is needed or -1 if error occured. diff -r -c1 dovecot-1.0-stable-patched/src/lib-mail/message-parser.h dovecot-1.0-stable/src/lib-mail/message-parser.h *** dovecot-1.0-stable-patched/src/lib-mail/message-parser.h Wed Jul 27 08:06:56 2005 --- dovecot-1.0-stable/src/lib-mail/message-parser.h Mon Jan 31 17:37:55 2005 *************** *** 112,114 **** input stream is non-blocking and more data needs to be read, -1 when all is ! done or error occurred (see stream's error status). */ int message_parse_header_next(struct message_header_parser_ctx *ctx, --- 112,114 ---- input stream is non-blocking and more data needs to be read, -1 when all is ! done or error occured (see stream's error status). */ int message_parse_header_next(struct message_header_parser_ctx *ctx, diff -r -c1 dovecot-1.0-stable-patched/src/lib-sql/sql-api.h dovecot-1.0-stable/src/lib-sql/sql-api.h *** dovecot-1.0-stable-patched/src/lib-sql/sql-api.h Wed Jul 27 08:06:51 2005 --- dovecot-1.0-stable/src/lib-sql/sql-api.h Mon Jan 31 17:37:55 2005 *************** *** 23,25 **** /* Go to next row, returns 1 if ok, 0 if this was the last row or -1 if error ! occurred. This needs to be the first call for result. */ int sql_result_next_row(struct sql_result *result); --- 23,25 ---- /* Go to next row, returns 1 if ok, 0 if this was the last row or -1 if error ! occured. This needs to be the first call for result. */ int sql_result_next_row(struct sql_result *result); diff -r -c1 dovecot-1.0-stable-patched/src/lib-storage/index/maildir/maildir-sync.c dovecot-1.0-stable/src/lib-storage/index/maildir/maildir-sync.c *** dovecot-1.0-stable-patched/src/lib-storage/index/maildir/maildir-sync.c Wed Jul 27 08:08:03 2005 --- dovecot-1.0-stable/src/lib-storage/index/maildir/maildir-sync.c Mon Jan 31 17:37:55 2005 *************** *** 7,9 **** We want to be as efficient as we can. The most efficient way to ! check if changes have occurred is to stat() the new/ and cur/ directories and uidlist file - if their mtimes haven't changed, --- 7,9 ---- We want to be as efficient as we can. The most efficient way to ! check if changes have occured is to stat() the new/ and cur/ directories and uidlist file - if their mtimes haven't changed, *************** *** 14,16 **** then make a modification. Such modifications wouldn't get noticed ! until a new modification occurred later. --- 14,16 ---- then make a modification. Such modifications wouldn't get noticed ! until a new modification occured later. diff -r -c1 dovecot-1.0-stable-patched/src/lib-storage/mail-storage.c dovecot-1.0-stable/src/lib-storage/mail-storage.c *** dovecot-1.0-stable-patched/src/lib-storage/mail-storage.c Wed Jul 27 08:07:58 2005 --- dovecot-1.0-stable/src/lib-storage/mail-storage.c Mon Jan 31 17:37:55 2005 *************** *** 12,14 **** #define CRITICAL_MSG \ ! "Internal error occurred. Refer to server log for more information." #define CRITICAL_MSG_STAMP CRITICAL_MSG " [%Y-%m-%d %H:%M:%S]" --- 12,14 ---- #define CRITICAL_MSG \ ! "Internal error occured. Refer to server log for more information." #define CRITICAL_MSG_STAMP CRITICAL_MSG " [%Y-%m-%d %H:%M:%S]" diff -r -c1 dovecot-1.0-stable-patched/src/lib-storage/mail-storage.h dovecot-1.0-stable/src/lib-storage/mail-storage.h *** dovecot-1.0-stable-patched/src/lib-storage/mail-storage.h Wed Jul 27 08:07:25 2005 --- dovecot-1.0-stable/src/lib-storage/mail-storage.h Mon Jan 31 17:37:55 2005 *************** *** 225,227 **** /* Deinitialize mailbox list request. Returns FALSE if some error ! occurred while listing. */ int mail_storage_mailbox_list_deinit(struct mailbox_list_context *ctx); --- 225,227 ---- /* Deinitialize mailbox list request. Returns FALSE if some error ! occured while listing. */ int mail_storage_mailbox_list_deinit(struct mailbox_list_context *ctx); *************** *** 239,241 **** ! /* Returns the error message of last occurred error. */ const char *mail_storage_get_last_error(struct mail_storage *storage, --- 239,241 ---- ! /* Returns the error message of last occured error. */ const char *mail_storage_get_last_error(struct mail_storage *storage, *************** *** 252,254 **** const char *name, enum mailbox_open_flags flags); ! /* Close the box. Returns FALSE if some cleanup errors occurred, but the mailbox was closed anyway. */ --- 252,254 ---- const char *name, enum mailbox_open_flags flags); ! /* Close the box. Returns FALSE if some cleanup errors occured, but the mailbox was closed anyway. */ *************** *** 373,378 **** /* Get the time message was received (IMAP INTERNALDATE). ! Returns (time_t)-1 if error occurred. */ time_t (*get_received_date)(struct mail *mail); /* Get the Date-header in mail. Timezone is in minutes. ! Returns (time_t)-1 if error occurred, 0 if field wasn't found or couldn't be parsed. */ --- 373,378 ---- /* Get the time message was received (IMAP INTERNALDATE). ! Returns (time_t)-1 if error occured. */ time_t (*get_received_date)(struct mail *mail); /* Get the Date-header in mail. Timezone is in minutes. ! Returns (time_t)-1 if error occured, 0 if field wasn't found or couldn't be parsed. */ *************** *** 380,385 **** /* Get the full virtual size of mail (IMAP RFC822.SIZE). ! Returns (uoff_t)-1 if error occurred */ uoff_t (*get_virtual_size)(struct mail *mail); /* Get the full physical size of mail. ! Returns (uoff_t)-1 if error occurred */ uoff_t (*get_physical_size)(struct mail *mail); --- 380,385 ---- /* Get the full virtual size of mail (IMAP RFC822.SIZE). ! Returns (uoff_t)-1 if error occured */ uoff_t (*get_virtual_size)(struct mail *mail); /* Get the full physical size of mail. ! Returns (uoff_t)-1 if error occured */ uoff_t (*get_physical_size)(struct mail *mail); diff -r -c1 dovecot-1.0-stable-patched/src/lib-storage/subscription-file/subscription-file.h dovecot-1.0-stable/src/lib-storage/subscription-file/subscription-file.h *** dovecot-1.0-stable-patched/src/lib-storage/subscription-file/subscription-file.h Wed Jul 27 08:08:08 2005 --- dovecot-1.0-stable/src/lib-storage/subscription-file/subscription-file.h Mon Jan 31 17:37:55 2005 *************** *** 9,11 **** ! /* Deinitialize subscription file listing. Returns FALSE if some error occurred while listing. */ --- 9,11 ---- ! /* Deinitialize subscription file listing. Returns FALSE if some error occured while listing. */ diff -r -c1 dovecot-1.0-stable-patched/src/login-common/ssl-proxy-gnutls.c dovecot-1.0-stable/src/login-common/ssl-proxy-gnutls.c *** dovecot-1.0-stable-patched/src/login-common/ssl-proxy-gnutls.c Wed Jul 27 08:08:22 2005 --- dovecot-1.0-stable/src/login-common/ssl-proxy-gnutls.c Mon Jan 31 17:37:55 2005 *************** *** 82,84 **** if (verbose_ssl) { ! /* fatal error occurred */ if (error == GNUTLS_E_FATAL_ALERT_RECEIVED) { --- 82,84 ---- if (verbose_ssl) { ! /* fatal error occured */ if (error == GNUTLS_E_FATAL_ALERT_RECEIVED) { diff -r -c1 dovecot-1.0-stable-patched/src/login-common/ssl-proxy.h dovecot-1.0-stable/src/login-common/ssl-proxy.h *** dovecot-1.0-stable-patched/src/login-common/ssl-proxy.h Wed Jul 27 08:08:14 2005 --- dovecot-1.0-stable/src/login-common/ssl-proxy.h Mon Jan 31 17:37:55 2005 *************** *** 9,11 **** /* establish SSL connection with the given fd, returns a new fd which you ! must use from now on, or -1 if error occurred. Unless -1 is returned, the given fd must be simply forgotten. */ --- 9,11 ---- /* establish SSL connection with the given fd, returns a new fd which you ! must use from now on, or -1 if error occured. Unless -1 is returned, the given fd must be simply forgotten. */

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[Dovecot] Thunderbird got "Mail Server does not support secure authentication" ???
by Adrian Mak 23 Aug '05

23 Aug '05

System: Redhat AS3 postfix 2.2.5 cyrus-sasl 2.1.15 pam-mysql 0.6 dovecot 0.99.14 ( compile from source tarball) The same email account and machine, using thunderbird 1.06 to get email thru dovecot pop3, it returned "Mail Server does not support secure authentication" But in outlook express , there is no such problem I have tested SASL thru pam-mysql is work properly before install dovecot Below is my dovecot.conf /etc/dovecot.conf base_dir = /var/run/dovecot/ protocols = imap pop3 imap_listen = * pop3_listen = * ssl_disable = yes login = imap login = pop3 login_dir = /var/run/dovecot-login login_executable = /usr/local/libexec/dovecot/imap-login login_executable = /usr/local/libexec/dovecot/pop3-login imap_executable = /usr/local/libexec/dovecot/imap pop3_executable = /usr/local/libexec/dovecot/pop3 disable_plaintext_auth = no login_user = dovecot first_valid_uid = 1000 last_valid_uid = 1000 valid_chroot_dirs = /var/spool/virtual default_mail_env = /var/spool/virtual/%u auth = default auth_mechanisms = plain auth_userdb = mysql /etc/dovecot/mysql.conf auth_passdb = mysql /etc/dovecot/mysql.conf auth_executable = /usr/local/libexec/dovecot/dovecot-auth auth_user = dovecot-auth /etc/dovecot/mysql.conf db_host = localhost db_port = 3306 db_unix_socket = /tmp/mysql.sock db = postfix db_user = postfixuser db_passwd = userpostfix db_client_flags = 0 password_query = SELECT password FROM mailbox WHERE username = '%u' user_query = SELECT maildir, 1000 AS uid, 1000 AS gid FROM mailbox WHERE username = '%u'

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