POP3 Trouble

Jim Miller jimm at simutronics.com
Mon Nov 22 17:28:21 EST 2004


Hi all,

I've been happily using cyrus-imap 2.2.8 for some time now, but I've only
had cause to use the IMAP/IMAPS service.  Recently one of my users tried to
connect via POP3 to the server and was getting connection timeout errors. So
I decided to test the connection.

netstat shows the server listening on 110

telnet localhost 110
USER blah    		# no response from server
PASS blah			# no response from the server
STAT				# no response
LIST				# no response
QUIT				# no response
ctrl-] to close the connection

Here's the log of the connection
Nov 22 16:06:27 mailbox master[19491]: about to exec /usr/cyrus/bin/pop3d
Nov 22 16:06:27 mailbox pop3[19491]: executed
Nov 22 16:06:27 mailbox pop3[19491]: accepted connection

imapd.conf -- just the relevant parts
-----------
# Minimum time between POP mail fetches in minutes
popminpoll: 1

# Allow plaintext logins by default (SASL PLAIN)
allowplaintext: yes

sasl_mech_list: PLAIN

# Allow use of the POP3 APOP authentication command.
# Note that this command requires that the plaintext passwords are
# available in a SASL auxprop backend (eg. sasldb), and that the system
# can provide enough entropy (eg. from /dev/urandom) to create a challenge
# in the banner.
#### I'm not sure I understand this option
allowapop: yes

sasl_pwcheck_method: saslauthd


cyrus.conf  -- just the relevant parts
----------------
pop3            cmd="pop3d" listen="pop3" prefork=0


./configure
LDFLAGS=-lpthread --with-auth=unix --with-bdb=/usr/local/BerkeleyDB.4.2/ --w
ith-bdb-libdir=/usr/local/BerkeleyDB.4.2/lib/ --with-bdb-incdir=/usr/local/B
erkeleyDB.4.2/include/ --with-openssl --with-sasl=/usr/local/lib/sasl2/ --wi
th-perl --enable-listext

Thank you for your advice
Jim

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