At least doveconf -n output would help. I guess related to authentication settings. Are there any errors in logs?> On 1 Jun 2017, at 12.14, Odhiambo Washington <odhiambo at gmail.com> wrote: > >> On 30 May 2017 at 21:16, Timo Sirainen <tss at iki.fi> wrote: >> >> https://dovecot.org/releases/2.2/dovecot-2.2.30.tar.gz >> https://dovecot.org/releases/2.2/dovecot-2.2.30.tar.gz.sig >> >> * auth: Use timing safe comparisons for everything related to >> passwords. It's unlikely that these could have been used for >> practical attacks, especially because Dovecot delays and flushes all >> failed authentications in 2 second intervals. Also it could have >> worked only when passwords were stored in plaintext in the passdb. >> * master process sends SIGQUIT to all running children at shutdown, >> which instructs them to close all the socket listeners immediately. >> This way restarting Dovecot should no longer fail due to some >> processes keeping the listeners open for a long time. >> >> + auth: Add passdb { mechanisms=none } to match separate passdb lookup >> + auth: Add passdb { username_filter } to use passdb only if user >> matches the filter. See https://wiki2.dovecot.org/PasswordDatabase >> + dsync: Add dsync_commit_msgs_interval setting. It attempts to commit >> the transaction after saving this many new messages. Because of the >> way dsync works, it may not always be possible if mails are copied >> or UIDs need to change. >> + imapc: Support imapc_features=search without ESEARCH extension. >> + imapc: Add imapc_features=fetch-bodystructure to pass through remote >> server's FETCH BODY and BODYSTRUCTURE. >> + imapc: Add quota=imapc backend to use GETQUOTA/GETQUOTAROOT on the >> remote server. >> + passdb imap: Add allow_invalid_cert and ssl_ca_file parameters. >> + If dovecot.index.cache corruption is detected, reset only the one >> corrupted mail instead of the whole file. >> + doveadm mailbox status: Add "firstsaved" field. >> + director_flush_socket: Add old host's up/down and vhost count as >> parameters >> - More fixes to automatically fix corruption in dovecot.list.index >> - dsync-server: Fix support for dsync_features=empty-header-workaround >> - imapc: Various bugfixes, including infinite loops on some errors >> - IMAP NOTIFY wasn't working for non-INBOX if IMAP client hadn't >> enabled modseq tracking via CONDSTORE/QRESYNC. >> - fts-lucene: Fix it to work again with mbox format >> - Some internal error messages may have contained garbage in v2.2.29 >> - mail-crypt: Re-encrypt when copying/moving mails and per-mailbox keys >> are used. Otherwise the copied mails can't be opened. >> - vpopmail: Fix compiling >> > > > Upgraded a 2.2.29 to this one and all hell broke loose! All users (MS > Outlook!) were being prompted for mail password! They'd enter it, mail is > fetched, and on the next check (even though the password had always been > saved) they'd be prompted again. So I quickly reverted to 2.2.29 and peace > prevailed. > > Now I am just wondering what exactly is causing this and how to fix it if I > am to come to 2.2.30.1 > > > > -- > Best regards, > Odhiambo WASHINGTON, > Nairobi,KE > +254 7 3200 0004/+254 7 2274 3223 > "Oh, the cruft."
Nothing in the error log, because authentication is actually successful.
2.2.29 (13ebc01): /opt/dovecot2.2/etc/dovecot/dovecot.conf
# OS: FreeBSD 9.3-STABLE i386 ufs
auth_cache_size = 20 M
auth_master_user_separator = *
auth_mechanisms = plain login digest-md5
auth_socket_path = /var/run/dovecot/auth-userdb
base_dir = /var/run/dovecot/
default_login_user = dovecot
disable_plaintext_auth = no
first_valid_gid = 0
first_valid_uid = 26
hostname = gw.localdomain
info_log_path = /var/log/dovecot.log
mail_location = maildir:/var/spool/virtual/%d/%n/Maildir:INDEX=MEMORY
mail_plugins = " quota"
namespace inbox {
inbox = yes
location mailbox Drafts {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix }
passdb {
args = /opt/dovecot2.2/etc/dovecot/passwd.master_users.ext
driver = passwd-file
master = yes
pass = yes
}
passdb {
args = /opt/dovecot2.2/etc/dovecot/dovecot-sql.conf.ext
driver = sql
}
plugin {
mail_log_fields = uid box msgid size
quota_rule = *:storage=1G
quota_rule2 = Trash:storage=+100M
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
quota_warning3 = -storage=100%% quota-warning below %u
}
postmaster_address = postmaster at localdomain
service auth {
unix_listener auth-client {
mode = 0600
user = mailnull
}
unix_listener auth-userdb {
group = mailnull
user = mailnull
}
}
service quota-warning {
executable = script /opt/dovecot2.2/scripts/quota-warning.sh
unix_listener quota-warning {
user = mailnull
}
user = dovecot
}
ssl_cert = </usr/local/etc/letsencrypt/live/gw.localdomain/fullchain.pem
ssl_key = # hidden, use -P to show it
userdb {
args = /opt/dovecot2.2/etc/dovecot/dovecot-sql.conf.ext
driver = sql
}
protocol lda {
mail_plugins = quota
}
protocol imap {
mail_max_userip_connections = 2
mail_plugins = " quota imap_quota"
}
protocol pop3 {
mail_max_userip_connections = 5
}
On 1 June 2017 at 15:00, Timo Sirainen <tss at iki.fi> wrote:
> At least doveconf -n output would help. I guess related to authentication
> settings. Are there any errors in logs?
>
> > On 1 Jun 2017, at 12.14, Odhiambo Washington <odhiambo at
gmail.com> wrote:
> >
> >> On 30 May 2017 at 21:16, Timo Sirainen <tss at iki.fi>
wrote:
> >>
> >> https://dovecot.org/releases/2.2/dovecot-2.2.30.tar.gz
> >> https://dovecot.org/releases/2.2/dovecot-2.2.30.tar.gz.sig
> >>
> >> * auth: Use timing safe comparisons for everything related to
> >> passwords. It's unlikely that these could have been used for
> >> practical attacks, especially because Dovecot delays and flushes
all
> >> failed authentications in 2 second intervals. Also it could have
> >> worked only when passwords were stored in plaintext in the
passdb.
> >> * master process sends SIGQUIT to all running children at
shutdown,
> >> which instructs them to close all the socket listeners
immediately.
> >> This way restarting Dovecot should no longer fail due to some
> >> processes keeping the listeners open for a long time.
> >>
> >> + auth: Add passdb { mechanisms=none } to match separate passdb
lookup
> >> + auth: Add passdb { username_filter } to use passdb only if user
> >> matches the filter. See
https://wiki2.dovecot.org/PasswordDatabase
> >> + dsync: Add dsync_commit_msgs_interval setting. It attempts to
commit
> >> the transaction after saving this many new messages. Because of
the
> >> way dsync works, it may not always be possible if mails are
copied
> >> or UIDs need to change.
> >> + imapc: Support imapc_features=search without ESEARCH extension.
> >> + imapc: Add imapc_features=fetch-bodystructure to pass through
remote
> >> server's FETCH BODY and BODYSTRUCTURE.
> >> + imapc: Add quota=imapc backend to use GETQUOTA/GETQUOTAROOT on
the
> >> remote server.
> >> + passdb imap: Add allow_invalid_cert and ssl_ca_file parameters.
> >> + If dovecot.index.cache corruption is detected, reset only the
one
> >> corrupted mail instead of the whole file.
> >> + doveadm mailbox status: Add "firstsaved" field.
> >> + director_flush_socket: Add old host's up/down and vhost
count as
> >> parameters
> >> - More fixes to automatically fix corruption in dovecot.list.index
> >> - dsync-server: Fix support for
dsync_features=empty-header-workaround
> >> - imapc: Various bugfixes, including infinite loops on some errors
> >> - IMAP NOTIFY wasn't working for non-INBOX if IMAP client
hadn't
> >> enabled modseq tracking via CONDSTORE/QRESYNC.
> >> - fts-lucene: Fix it to work again with mbox format
> >> - Some internal error messages may have contained garbage in
v2.2.29
> >> - mail-crypt: Re-encrypt when copying/moving mails and per-mailbox
keys
> >> are used. Otherwise the copied mails can't be opened.
> >> - vpopmail: Fix compiling
> >>
> >
> >
> > Upgraded a 2.2.29 to this one and all hell broke loose! All users (MS
> > Outlook!) were being prompted for mail password! They'd enter it,
mail is
> > fetched, and on the next check (even though the password had always
been
> > saved) they'd be prompted again. So I quickly reverted to 2.2.29
and
> peace
> > prevailed.
> >
> > Now I am just wondering what exactly is causing this and how to fix it
> if I
> > am to come to 2.2.30.1
> >
> >
> >
> > --
> > Best regards,
> > Odhiambo WASHINGTON,
> > Nairobi,KE
> > +254 7 3200 0004/+254 7 2274 3223
> > "Oh, the cruft."
>
>
--
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254 7 3200 0004/+254 7 2274 3223
"Oh, the cruft."
Hi,
Same symptoms here when upgrading from 2.2.29 to 2.2.30. Getting back to 2.2.29
resolve the problem.
The client here is a webmail ( rainloop ). User automatically logout as if the
auth did'nt succed although log show successfull login attempt
My configuration
2.2.29.1 (e0b76e3): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.18 (29cc74d)
# OS: Linux 4.11.2-gentoo-xxxx-std-ipv6-64 x86_64 Gentoo Base System release
2.4.1
auth_cache_size = 10 M
auth_default_realm = aprogsys.com
auth_gssapi_hostname = $ALL
auth_krb5_keytab = /etc/dovecot/dovecot.keytab
auth_mechanisms = plain login gssapi
auth_username_format = %Ln
auth_worker_max_count = 80
dict {
acl = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u
first_valid_uid = 1001
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
mail_access_groups = dovecot
mail_location = mdbox:~/mdbox
mail_plugins = " acl fts fts_lucene notify replication virtual"
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 {
list = children
location = mdbox:%%h/mdbox
prefix = shared/%%n/
separator = /
subscriptions = no
type = shared
}
namespace {
location = virtual:~/virtual
prefix = virtual/
separator = /
}
namespace inbox {
inbox = yes
list = yes
location =
mailbox Drafts {
auto = no
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox SPAM {
auto = create
special_use = \Junk
}
mailbox Sent {
auto = subscribe
special_use = \Sent
}
mailbox "Sent Messages" {
auto = no
special_use = \Sent
}
mailbox Trash {
auto = no
special_use = \Trash
}
prefix =
separator = /
}
passdb {
args = cache_key=%s%u *
driver = pam
}
plugin {
acl = vfile
acl_anyone = allow
acl_shared_dict = proxy::acl
antispam_backend = mailtrain
antispam_mail_notspam = learn_ham
antispam_mail_sendmail = /usr/bin/rspamc
antispam_mail_sendmail_args = -h;localhost:11334;-P;q1
antispam_mail_spam = learn_spam
antispam_spam = SPAM
antispam_trash = Trash
fts = lucene
fts_autoindex = yes
fts_lucene = whitespace_chars=@.
mail_replica = remote:root at 192.168.1.7
replication_dsync_parameters = -d -U
sieve = file:~/sieve;active=~/.dovecot.sieve
sieve_before = /var/lib/dovecot/sieve
sieve_default = /var/lib/dovecot/sieve/spam.sieve
sieve_dir = ~/sieve
}
protocols = imap pop3 lmtp sieve
replication_max_conns = 2
service aggregator {
fifo_listener replication-notify-fifo {
mode = 0666
}
unix_listener replication-notify {
mode = 0666
}
}
service auth {
unix_listener /var/spool/postfix/private/auth {
group = postfix
mode = 0660
user = postfix
}
unix_listener auth-client {
mode = 0666
}
unix_listener auth-userdb {
mode = 0777
}
}
service dict {
unix_listener dict {
mode = 0666
}
}
service imap-login {
process_min_avail = 4
service_count = 0
vsz_limit = 256 M
}
service managesieve-login {
inet_listener sieve {
port = 4190
}
inet_listener sieve_deprecated {
port = 2000
}
}
service replicator {
process_min_avail = 1
unix_listener replicator-doveadm {
mode = 0666
}
}
ssl_cert = </etc/letsencrypt/live/aprogsys.com/fullchain.pem
ssl_key = # hidden, use -P to show it
userdb {
driver = passwd
}
protocol lda {
mail_plugins = " acl fts fts_lucene notify replication virtual
sieve"
}
protocol imap {
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags
mail_max_userip_connections = 40
mail_plugins = " acl fts fts_lucene notify replication virtual antispam
imap_acl"
}
local_name imap.agrobioconso.org {
ssl_cert = </etc/letsencrypt/live/agrobioconso.org/fullchain.pem
ssl_key = # hidden, use -P to show it
}
local_name imap.aprogsys.com {
ssl_cert = </etc/letsencrypt/live/imap.aprogsys.com/fullchain.pem
ssl_key = # hidden, use -P to show it
}
local_name imap.lesmontreursdours.fr {
ssl_cert = </etc/letsencrypt/live/imap.lesmontreursdours.fr/fullchain.pem
ssl_key = # hidden, use -P to show it
}
local_name pop.aprogsys.com {
ssl_cert = </etc/letsencrypt/live/pop.aprogsys.com/fullchain.pem
ssl_key = # hidden, use -P to show it
}
local_name imap.caves-explorer.com {
ssl_cert = </etc/letsencrypt/live/caves-explorer.com/fullchain.pem
ssl_key = # hidden, use -P to show it
}
local_name imap.vetienne.net {
ssl_cert = </etc/letsencrypt/live/vetienne.net/fullchain.pem
ssl_key = # hidden, use -P to show it
}
Regards,
Vincent ETIENNE
1 juin 2017 18:48 "Odhiambo Washington" <odhiambo at gmail.com>
a ?crit:> Nothing in the error log, because authentication is actually successful.
>
Hi Vincent, The problem was resolved in 2.2.30.2 so feel free to update to that. On 13 June 2017 at 13:11, <ve at vetienne.net> wrote:> Hi, > > Same symptoms here when upgrading from 2.2.29 to 2.2.30. Getting back to > 2.2.29 resolve the problem. > > The client here is a webmail ( rainloop ). User automatically logout as if > the auth did'nt succed although log show successfull login attempt > > My configuration > > 2.2.29.1 (e0b76e3): /etc/dovecot/dovecot.conf > # Pigeonhole version 0.4.18 (29cc74d) > # OS: Linux 4.11.2-gentoo-xxxx-std-ipv6-64 x86_64 Gentoo Base System > release 2.4.1 > auth_cache_size = 10 M > auth_default_realm = aprogsys.com > auth_gssapi_hostname = $ALL > auth_krb5_keytab = /etc/dovecot/dovecot.keytab > auth_mechanisms = plain login gssapi > auth_username_format = %Ln > auth_worker_max_count = 80 > dict { > acl = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext > } > disable_plaintext_auth = no > dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u > first_valid_uid = 1001 > lda_mailbox_autocreate = yes > lda_mailbox_autosubscribe = yes > mail_access_groups = dovecot > mail_location = mdbox:~/mdbox > mail_plugins = " acl fts fts_lucene notify replication virtual" > 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 { > list = children > location = mdbox:%%h/mdbox > prefix = shared/%%n/ > separator = / > subscriptions = no > type = shared > } > namespace { > location = virtual:~/virtual > prefix = virtual/ > separator = / > } > namespace inbox { > inbox = yes > list = yes > location > mailbox Drafts { > auto = no > special_use = \Drafts > } > mailbox Junk { > special_use = \Junk > } > mailbox SPAM { > auto = create > special_use = \Junk > } > mailbox Sent { > auto = subscribe > special_use = \Sent > } > mailbox "Sent Messages" { > auto = no > special_use = \Sent > } > mailbox Trash { > auto = no > special_use = \Trash > } > prefix > separator = / > } > passdb { > args = cache_key=%s%u * > driver = pam > } > plugin { > acl = vfile > acl_anyone = allow > acl_shared_dict = proxy::acl > antispam_backend = mailtrain > antispam_mail_notspam = learn_ham > antispam_mail_sendmail = /usr/bin/rspamc > antispam_mail_sendmail_args = -h;localhost:11334;-P;q1 > antispam_mail_spam = learn_spam > antispam_spam = SPAM > antispam_trash = Trash > fts = lucene > fts_autoindex = yes > fts_lucene = whitespace_chars=@. > mail_replica = remote:root at 192.168.1.7 > replication_dsync_parameters = -d -U > sieve = file:~/sieve;active=~/.dovecot.sieve > sieve_before = /var/lib/dovecot/sieve > sieve_default = /var/lib/dovecot/sieve/spam.sieve > sieve_dir = ~/sieve > } > protocols = imap pop3 lmtp sieve > replication_max_conns = 2 > service aggregator { > fifo_listener replication-notify-fifo { > mode = 0666 > } > unix_listener replication-notify { > mode = 0666 > } > } > service auth { > unix_listener /var/spool/postfix/private/auth { > group = postfix > mode = 0660 > user = postfix > } > unix_listener auth-client { > mode = 0666 > } > unix_listener auth-userdb { > mode = 0777 > } > } > service dict { > unix_listener dict { > mode = 0666 > } > } > service imap-login { > process_min_avail = 4 > service_count = 0 > vsz_limit = 256 M > } > service managesieve-login { > inet_listener sieve { > port = 4190 > } > inet_listener sieve_deprecated { > port = 2000 > } > } > service replicator { > process_min_avail = 1 > unix_listener replicator-doveadm { > mode = 0666 > } > } > ssl_cert = </etc/letsencrypt/live/aprogsys.com/fullchain.pem > ssl_key = # hidden, use -P to show it > userdb { > driver = passwd > } > protocol lda { > mail_plugins = " acl fts fts_lucene notify replication virtual sieve" > } > protocol imap { > imap_client_workarounds = delay-newmail tb-extra-mailbox-sep > tb-lsub-flags > mail_max_userip_connections = 40 > mail_plugins = " acl fts fts_lucene notify replication virtual antispam > imap_acl" > } > local_name imap.agrobioconso.org { > ssl_cert = </etc/letsencrypt/live/agrobioconso.org/fullchain.pem > ssl_key = # hidden, use -P to show it > } > local_name imap.aprogsys.com { > ssl_cert = </etc/letsencrypt/live/imap.aprogsys.com/fullchain.pem > ssl_key = # hidden, use -P to show it > } > local_name imap.lesmontreursdours.fr { > ssl_cert = </etc/letsencrypt/live/imap.lesmontreursdours.fr/ > fullchain.pem > ssl_key = # hidden, use -P to show it > } > local_name pop.aprogsys.com { > ssl_cert = </etc/letsencrypt/live/pop.aprogsys.com/fullchain.pem > ssl_key = # hidden, use -P to show it > } > local_name imap.caves-explorer.com { > ssl_cert = </etc/letsencrypt/live/caves-explorer.com/fullchain.pem > ssl_key = # hidden, use -P to show it > } > local_name imap.vetienne.net { > ssl_cert = </etc/letsencrypt/live/vetienne.net/fullchain.pem > ssl_key = # hidden, use -P to show it > } > > Regards, > Vincent ETIENNE > > 1 juin 2017 18:48 "Odhiambo Washington" <odhiambo at gmail.com> a ?crit: > > Nothing in the error log, because authentication is actually successful. > > >-- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft."
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