I downloaded the tarball for 0.44, build the RPMs and did an rpm -Uvh on my
0.42 courier running RH8.0 system

All users can run IMAP and pop
All users can run WEBmail
A lot of mails are received from hosts on internet.
My local users connected via LAN behind a NAT box have problems though

First i tested the name resolver
# testmxlookup pc033.flysta.net
Domain pc033.flysta.net:
Relay: pc033.flysta.net, Priority: -1, Address: ::ffff:172.24.99.78
#

I believe this is OK.
Then I tcpdumped to see what is going on.

20:52:22.421153 pc033.flysta.net.3845 > mail2.smtp: S 188649764:188649764(0)
win 16384 <mss 1460,nop,nop,sackOK> (DF)
20:52:22.421228 mail2.smtp > pc033.flysta.net.3845: S 527037979:527037979(0)
ack 188649765 win 5840 <mss 1460,nop,nop,sackOK> (DF)
20:52:22.423134 pc033.flysta.net.3845 > mail2.smtp: . ack 1 win 17520 (DF)
20:52:22.455716 mail2.45023 > pc033.flysta.net.auth: S
540138836:540138836(0) win 5840 <mss 1460,sackOK,timestamp 787112492
0,nop,wscale 0> (DF)
20:52:25.453642 mail2.45023 > pc033.flysta.net.auth: S
540138836:540138836(0) win 5840 <mss 1460,sackOK,timestamp 787112792
0,nop,wscale 0> (DF)
20:52:31.453622 mail2.45023 > pc033.flysta.net.auth: S
540138836:540138836(0) win 5840 <mss 1460,sackOK,timestamp 787113392
0,nop,wscale 0> (DF)
20:52:40.624503 arp who-has 172.24.99.5 tell pc033.flysta.net
20:52:43.453568 mail2.45023 > pc033.flysta.net.auth: S
540138836:540138836(0) win 5840 <mss 1460,sackOK,timestamp 787114592
0,nop,wscale 0> (DF)

Why does the mailserver try to talk with the auth socket ?

After the last packet in the tcpdump above, nothing more happend and the
client will timeout. This happend both with Outlookand Outlook Express. But
running Outlook express to another mailserver also running 0.44 works.
Loggin in via WEBmail from runs OK.

Can some one pls give me some ideas for where to look for the problem ?

/Lars



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