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On Sun, 20 Sep 2015, li...@lazygranch.com wrote:

No problem sending email, but I can't receive email. Diagnostics follow:

this is a pretty unspecific information. At which stage the message is stuck and not delivered to Dovecot? Which MTA do you use and how is it configurated? Or are the messages delivered to Dovecot and are spooled into the mail storage?

a login u...@domain.com password
a OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT 
SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND 
URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED 
I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH 
LIST-STATUS BINARY MOVE SPECIAL-USE] Logged in
b select inbox
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags 
permitted.
* 9 EXISTS
* 1 RECENT
* OK [UNSEEN 9] First unseen.
* OK [UIDVALIDITY 1439944213] UIDs valid
* OK [UIDNEXT 10] Predicted next UID
* OK [HIGHESTMODSEQ 2] Highest
b OK [READ-WRITE] Select completed (0.017 secs).
c list "" *
* LIST (\HasNoChildren \Trash) "." Trash
* LIST (\HasNoChildren) "." Queue
* LIST (\HasNoChildren \Sent) "." Sent
* LIST (\HasNoChildren \Drafts) "." Drafts
* LIST (\HasNoChildren) "." INBOX
c OK List completed (0.001 secs).
d lsub "" *
* LSUB (\Trash) "." Trash
* LSUB () "." Queue
* LSUB (\Sent) "." Sent
* LSUB (\Drafts) "." Drafts
d OK Lsub completed (0.003 secs).
e logout
* BYE Logging out
e OK Logout completed.

So you can login into Dovecot and query status information, your client did not tried to fetch any message.

closed
---------------------------------------
from dovecot.log
Sep 19 23:35:13 imap-login: Debug: SSL: where=0x10, ret=1: before/accept 
initialization [xxx.xxx.xxx.xxx]
Sep 19 23:35:13 imap-login: Debug: SSL: where=0x2001, ret=1: before/accept 
initialization [xxx.xxx.xxx.xxx]
Sep 19 23:35:13 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read 
client hello A [xxx.xxx.xxx.xxx]
Sep 19 23:35:13 auth: Debug: Loading modules from directory: 
/usr/local/lib/dovecot/auth
Sep 19 23:35:13 auth: Debug: Read auth token secret from 
/var/run/dovecot/auth-token-secret.dat
Sep 19 23:35:13 auth: Debug: passwd-file /usr/local/etc/dovecot/users: Read 2 
users in 0 secs
Sep 19 23:35:13 auth: Debug: auth client connected (pid=1698)
Sep 19 23:38:13 imap-login: Info: Disconnected: Inactivity (no auth attempts in 180 secs): 
user=<>, rip=xxx.xxx.xxx.xxx, lip=xxx.xxx.xxx.xxx, TLS handshaking, 
session=<MghMJCIgiACsOCYK>
--------------------------------

The client connected to Dovecot, but did not sent any authentification information.

# dovecot -n
# 2.2.18: /usr/local/etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.8 (0c4ae064f307+)
# OS: FreeBSD 10.1-RELEASE-p19 amd64
auth_debug = yes
auth_debug_passwords = yes
auth_verbose = yes
log_path = /var/log/dovecot.log
mail_debug = yes
mail_gid = 1003
mail_home = /var/mail/vhosts/%d/%n
mail_location = maildir:~
mail_privileged_group = vpostfix
mail_uid = 1003
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
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 = scheme=CRYPT username_format=%u /usr/local/etc/dovecot/users
driver = passwd-file
}
service auth {
unix_listener /var/spool/postfix/private/auth {
group = postfix
mode = 0666
user = postfix
}
unix_listener auth-userdb {
group = postfix
mode = 0600
user = postfix
}
}
ssl_cert = </usr/local/etc/ipsec.d/certs/domain.com.crt
ssl_key = </usr/local/etc/ipsec.d/private/domain.com.key
userdb {
args = username_format=%u /usr/local/etc/dovecot/users
driver = passwd-file
}
verbose_ssl = yes
#
--------------------------
# dovecot --version
2.2.18‎
‎



- -- Steffen Kaiser
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