[stunnel-users] smtps problem on Fedora Core 4

Anders Gjerløv anders at gjerlov.dk
Tue Jul 19 10:27:20 CEST 2005


I am trying to get the smtps solution described on 
working on my server.

Basically I want my users on Windows XP boxes to get their mail from and send their mail to

I have gotten as far as having the users able to get mails. That is I 
have stunnel on a windows box, with a configuration file like this:

client = yes
debug = debug
cert = pemfile.pem
accept = localhost:110
connect = my.domain.com:995
accept = localhost:25
connect = my.domain.com:465

And a telnet to port 110 on the lookback interface gives me access to 
the pop server. Så I am guessing that the certificates etc. are working 

As for the smtps I am using xinetd, and have tried with various 

Here is one of the one's that didn't work:
service smtps
        disable = no
        socket_type     = stream
        wait            = no
        user            = root
        server          = /usr/sbin/stunnel
        server_args     = -v3 -rlocalhost:25
        log_on_success  += HOST DURATION
        log_on_failure  += HOST ATTEMPT

Any ideas as to how to setup my xinetd file (or is there a better solution?)

# stunnel -version
stunnel 4.08 on i386-redhat-linux-gnu PTHREAD+POLL+IPv4+LIBWRAP with 
OpenSSL 0.9.7f 22 Mar 2005

Global options
cert            = /etc/stunnel/stunnel.pem
ciphers         = ALL:!ADH:+RC4:@STRENGTH
debug           = 5
key             = /etc/stunnel/stunnel.pem
pid             = /var/run/stunnel.pid
RNDbytes        = 64
RNDfile         = /dev/urandom
RNDoverwrite    = yes
session         = 300 seconds
verify          = none

Service-level options
TIMEOUTbusy     = 300 seconds
TIMEOUTclose    = 60 seconds
TIMEOUTconnect  = 10 seconds
TIMEOUTidle     = 43200 seconds

Kind regards,

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