dovecot - Aug 2009 - "Disconnected in APPEND" sometimes when with attachment

Hello!

When I send a message with an attachment bigger than some undefined
size, the folllowing error appears in logs: "Disconnected in APPEND"

How to increase the allowed size or anything?

# dovecot -n
# 1.0.15: /etc/dovecot/dovecot.conf
log_timestamp: %Y-%m-%d %H:%M:%S
protocols: pop3 pop3s imap imaps
ssl_cert_file: /usr/local/etc/ssl/certs/highlink.ru.pem
ssl_key_file: /usr/local/etc/ssl/private/highlink.ru.key
disable_plaintext_auth: no
login_dir: /var/run/dovecot/login
login_executable(default): /usr/lib/dovecot/imap-login
login_executable(imap): /usr/lib/dovecot/imap-login
login_executable(pop3): /usr/lib/dovecot/pop3-login
mail_privileged_group: mail
mail_location: maildir:~/.maildir
mail_executable(default): /usr/lib/dovecot/imap
mail_executable(imap): /usr/lib/dovecot/imap
mail_executable(pop3): /usr/lib/dovecot/pop3
mail_plugin_dir(default): /usr/lib/dovecot/modules/imap
mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap
mail_plugin_dir(pop3): /usr/lib/dovecot/modules/pop3
pop3_uidl_format(default):
pop3_uidl_format(imap):
pop3_uidl_format(pop3): %08Xu%08Xv
auth default:
  mechanisms: plain login
  passdb:
    driver: passwd-file
    args: /etc/dovecot/dovecot.passwd
  userdb:
    driver: passwd-file
    args: /etc/dovecot/dovecot.passwd
  socket:
    type: listen
    master:
      path: /var/run/dovecot/auth-master
      mode: 384
      user: dovecot
      group: dovecot
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On 8/26/2009, Igor Bogomazov (bi at hl.ru) wrote:
> When I send a message with an attachment bigger than some undefined
> size, the folllowing error appears in logs: "Disconnected in
APPEND"
1. Dovecot is not an smtp server - it does not 'send' messages.

2. While 1.0.15 is old and you should upgrade (1.2.4 is current stable),
upgrading won't fix your problem.

3. You need to fix this with your smtp server config.

Also, please don't paraphrase logs... post the entire set of relevant
log lines - that would have probably allowed us to see what smtp server
you were using and give more specific recommendation on next steps..

-- 

Best regards,

Charles

On Wed, 2009-08-26 at 13:01 +0400, Igor Bogomazov wrote:
> Hello!
> 
> When I send a message with an attachment bigger than some undefined
> size, the folllowing error appears in logs: "Disconnected in
APPEND"
> 
> How to increase the allowed size or anything?
It means that client was saving the message with APPEND command, but
then the connection got disconnected. There's nothing you can do about
it on Dovecot's side. Potential reasons:

1. broken software firewall / antivirus running on client computer
2. something broken/misconfigured in network
3. client bug

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