Panic: file smtp-client-connection.c: line 1212 (smtp_client_connection_established): assertion failed: (!conn->connect_succeeded)

[Hativ]

Hello Aki,
I have this problem just with 2.3.8, my self-compiled 2.3.3 works fine.
I have previously tried to update from 2.3.3 to higher versions
(possibly 2.3.5 or so), but always had this error, which is why I am
always back to 2.3.3.
Configuration is exactly the same.
Here my output from "doveconf -n":
# 2.3.8 (9df20d2db): /etc/dovecot/dovecot.conf# Pigeonhole version
0.5.8 (b7b03ba2)# OS: Linux 4.15.0-65-generic x86_64 Ubuntu 18.04.3
LTS # Hostname: srv2auth_mechanisms = plain logindefault_login_user =
dovecot-logindefault_vsz_limit = 1 Gdict {  quota =
mysql:/etc/dovecot/dovecot-quota.conf.ext}doveadm_password = # hidden,
use -P to show itdoveadm_port = 12345haproxy_trusted_networks =
10.201.29.33 fec0:4f8:1c1c:3440::1 10.46.163.91 fec0:4f8:1c17:4548::1
10.216.147.248 fec0:4f9:c010:bec::1hostname = mda1-
2.example.comimap_capability = +XLISTimap_id_send
= imap_idle_notify_interval = 30 minslisten = 10.46.163.91,
fec0:4f8:1c17:4548::1lmtp_rcpt_check_quota = yesmail_attribute_dict =
file:%h/dovecot-attributesmail_debug = yesmail_gid = dovecot-
mailmail_home = /srv/mail/%d/%nmail_location =
sdbox:~/mail_max_userip_connections = 20mail_plugins = " acl mail_crypt
mail_log notify quota quota_clone replication"mail_uid = dovecot-
mailmail_vsize_bg_after_count = 100managesieve_notify_capability =
mailtomanagesieve_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
imapsieve vnd.dovecot.imapsievenamespace INBOX {  inbox = yes  location
=   mailbox Drafts {    auto = subscribe    special_use = \Drafts  } 
mailbox Junk {    auto = subscribe    special_use = \Junk  }  mailbox
Sent {    auto = subscribe    special_use = \Sent  }  mailbox Trash
{    auto = subscribe    special_use = \Trash  }  prefix = }namespace
Shared {  list = children  location = sdbox:%%h/:INDEXPVT=~/shares/%%u 
prefix = Shared/%%u/  subscriptions = yes  type = shared}passdb {  args
= /etc/dovecot/dovecot-auth.conf.ext  driver = sql}plugin {  acl =
vfile  acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db 
imapsieve_mailbox1_before = file:/etc/dovecot/sieve/report-spam.sieve 
imapsieve_mailbox1_causes = COPY  imapsieve_mailbox1_name = Junk 
imapsieve_mailbox2_before = file:/etc/dovecot/sieve/report-ham.sieve 
imapsieve_mailbox2_causes = COPY  imapsieve_mailbox2_from = Junk 
imapsieve_mailbox2_name = INBOX  mail_crypt_curve = secp521r1 
mail_crypt_save_version = 0  mail_log_events = copy delete expunge
flag_change mailbox_create mailbox_delete mailbox_rename undelete save 
mail_log_fields = uid box msgid size from subject  mail_replica =
tcps:mda1-1.example.com  quota = count  quota_clone_dict =
proxy::quota  quota_rule = *:bytes=0  quota_vsizes = yes  sieve =
file:~/sieve;active=~/.dovecot.sieve  sieve_after = /etc/dovecot/sieve-
after  sieve_before = /etc/dovecot/sieve-before 
sieve_global_extensions = +vnd.dovecot.pipe  sieve_pipe_bin_dir =
/usr/bin/  sieve_plugins = sieve_extprograms
sieve_imapsieve}postmaster_address = postmaster at example.comprotocols =
imap lmtp sieve submissionservice aggregator {  fifo_listener
replication-notify-fifo {    user = $mail_uid  }  unix_listener
replication-notify {    user = $mail_uid  }}service doveadm { 
inet_listener {    port = 12345    ssl = yes  }}service imap-login { 
inet_listener imap {    port = 0  }  inet_listener imaps {    haproxy =
yes  }}service lmtp {  inet_listener lmtp {    address =
$listen    port = 24  }}service managesieve-login {  inet_listener
sieve {    haproxy = yes    ssl = yes  }}service replicator { 
process_min_avail = 1  unix_listener replicator-doveadm {    mode =
0600    user = $mail_uid  }}service submission-login {  inet_listener
submission {    haproxy = yes    port = 465    ssl = yes  }}ssl =
requiredssl_alt_cert = </etc/ssl/private/example.com.pemssl_alt_key = #
hidden, use -P to show itssl_cert = </etc/ssl/private/example.com-
ecc.pemssl_cipher_list = TLS-CHACHA20-POLY1305-SHA256:ECDHE-ECDSA-
CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:TLS-AES-256-GCM-
SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:TLS-
AES-128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256ssl_client_ca_file =
/etc/ssl/certs/ca-certificates.crtssl_curve_list =
X25519:secp521r1:secp384r1ssl_key = # hidden, use -P to show
itssl_min_protocol = TLSv1.2ssl_options =
no_ticketssl_prefer_server_ciphers = yessubmission_client_workarounds =
whitespace-before-pathsubmission_max_mail_size = 50000
ksubmission_relay_host = mta2.example.comsubmission_relay_ssl =
starttlssubmission_relay_trusted = yesuserdb {  driver =
prefetch}userdb {  args = /etc/dovecot/dovecot-auth.conf.ext  driver =
sql}verbose_proctitle = yesprotocol imap {  mail_plugins = " acl
mail_crypt mail_log notify quota quota_clone replication imap_acl
imap_quota imap_sieve imap_zlib"}protocol lmtp {  mail_plugins = " acl
mail_crypt mail_log notify quota quota_clone replication sieve"}

Am Freitag, den 11.10.2019, 10:55 +0300 schrieb Aki Tuomi:
> On 11.10.2019 10.50, Hativ via dovecot wrote:
> > Hello,
> > after migrating from self-compiled Dovecot 2.3.3 to Dovecot 2.3.8
> > fromthe repository (Ubuntu 18.04 LTS "Bionic" packages) I have
> > issues withthe submission service. If I send an email, it will not
> > be forwardedand I get the following error message:
> snip...
> 
> > Best regards
> > Hativ
> 
> Can you provide doveconf -n?
> Also, are you having this problem in 2.3.3 or just 2.3.8?
> Aki
Best regards
Hativ
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