> On 21/05/2025 22:34 EEST Cam Ellison via dovecot <dovecot@dovecot.org> wrote:
>
>
> When running v2.3, Dovecot correctly identifies both recipient and
> domain when receiving mail from Debian exim4 via dovecot-lda, with no
> flags set.
>
> With v2.4, whether the flags are set or not, Dovecot throws error 75. If
> lda_mailbox_autocreate is set to yes, it creates the mailuser vmail and
> delivers to /var/vmail/vmail/INBOX.
>
> Users are able to log in and read email as before.
>
> doveadm user ad...@example.ca output is:
>
> field value
> uid 5000
> gid 5000
> home /var/vmail/admin
> mail_path /var/vmail/admin/Maildir
>
> Here is the full printout of doveconf -n.
>
> # 2.4.1-4 (7d8c0e5759): /etc/dovecot/dovecot.conf
> # Pigeonhole version 2.4.1-4 (0a86619f)
> # OS: Linux 6.1.0-20-rt-686-pae i686 Debian 13.0 ext4
> # Hostname: football.scasl.ca
> # 4 default setting changes since version 2.4.0
> dovecot_config_version = 2.4.0
> auth_debug = yes
> auth_debug_passwords = yes
> auth_mechanisms = plain login
> base_dir = /var/run/dovecot/
> dovecot_storage_version = 2.4.0
> first_valid_gid = 5000
> first_valid_uid = 5000
> fts_autoindex = yes
> fts_autoindex_max_recent_msgs = 999
> fts_search_add_missing = yes
> hostname = scasl.ca
> listen = * ::
> login_trusted_networks = 209.121.143.10/32
> mail_debug = yes
> mail_driver = maildir
> mail_gid = 5000
> mail_home = /var/vmail/%{user|username}
> mail_inbox_path = /var/vmail/%{user|username}/Maildir/INBOX
> mail_path = /var/vmail/%{user|username}/Maildir
> mail_privileged_group = vmail
> mail_uid = 5000
> postmaster_address = postmas...@scasl.ca
> protocols {
> imap = yes
> }
> sql_driver = mysql
> mysql scasl.ca {
> dbname = scasl
> host = localhost
> password = #
> port = 3306
> user = scasl
> }
> userdb sql {
> iterate_query = SELECT email_username AS username, domain FROM league
> query = SELECT CONCAT('/var/vmail/',email_username) AS home, 5000 AS
> uid, 5000 AS gid FROM league WHERE email_username = '%{user|username}'
> }
> passdb sql {
> default_password_scheme = BLF-CRYPT
> query = SELECT password FROM login WHERE ID IN (SELECT ID FROM league
> WHERE email_username='%{user|username}')
> }
> maildir {
> very_dirty_syncs = yes
> }
> namespace inbox {
> mail_driver = maildir
> mail_home = /var/vmail/%{user|username}
> mail_inbox_path = /var/vmail/%{user|username}/Maildir/INBOX
> mail_path = /var/vmail/%{user|username}/Maildir
> inbox = yes
> separator = /
> type = private
> mailbox Drafts {
> auto = subscribe
> special_use = "\\Drafts"
> }
> mailbox Junk {
> special_use = "\\Junk"
> }
> mailbox Trash {
> special_use = "\\Trash"
> }
> mailbox Sent {
> special_use = "\\Sent"
> }
> mailbox "Sent Messages" {
> special_use = "\\Sent"
> }
> }
> service imap-login {
> inet_listener imap {
> }
> inet_listener imaps {
> }
> }
> service submission-login {
> inet_listener submission {
> }
> }
> service lmtp {
> unix_listener lmtp {
> mode = 0666
> }
> }
> service imap {
> }
> service pop3 {
> }
> service submission {
> }
> service auth {
> unix_listener auth-userdb {
> mode = 0666
> }
> unix_listener auth-client {
> mode = 0666
> }
> }
> service auth-worker {
> }
> service dict {
> unix_listener dict {
> }
> }
> service stats {
> unix_listener stats-reader {
> group = vmail
> mode = 0666
> }
> unix_listener stats-writer {
> group = vmail
> mode = 0666
> }
> }
> ssl_server {
> cert_file = /etc/letsencrypt/live/scasl.ca/fullchain.pem
> key_file = /etc/letsencrypt/live/scasl.ca/privkey.pem
> }
> protocol lda {
> mail_plugins = $mail_plugins
> }
>
> I assume I am missing a parameter that needs setting. Is it that, do I
> have something set incorrectly, or is it really a bug?
>
> Cheers
>
> Cam
>
> When running v2.3, Dovecot correctly identifies both recipient and domain when
> receiving mail from Debian exim4 via dovecot-lda, with no flags set.
> With v2.4, whether the flags are set or not, Dovecot throws error 75. If
> lda_mailbox_autocreate is set to yes, it creates the mailuser vmail and
> delivers to /var/vmail/vmail/INBOX.
> Users are able to log in and read email as before.
> doveadm user ad...@example.ca output is:
> field value
> uid 5000
> gid 5000
> home /var/vmail/admin
> mail_path /var/vmail/admin/Maildir
> Here is the full printout of doveconf -n.
Can you add
log_debug=category=mail or category=auth
and try again, maybe the logs reveal something useful? My guess is that the
parameters provided to lda are now somehow mixed and exim is using physical
user as target user for dovecot, instead of the target email.
Aki
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