[exim] Segmentation Fault - Exim 4.51

Hi there,

I have just installed Exim 4.51 from Sources - and am trying to send
Mails, but I miserably fail :(

My paniclog reads:

2005-06-21 14:48:36 queue run: process 23416 crashed with signal 11
while delivering 1Dki6h-00064E-Hc

usr/local/exim/bin/exim -d -M 1Dki9D-00065B-Kt:

Exim version 4.51 uid=0 gid=0 pid=23403 D=fbb95cfd
Berkeley DB: Sleepycat Software: Berkeley DB 4.3.28: (April 22, 2005)
Support for: iconv() IPv6
Lookups: lsearch wildlsearch nwildlsearch iplsearch dbm dbmnz mysql
Authenticators: cram_md5
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile autoreply pipe smtp
Fixed never_users: 0
changed uid/gid: forcing real = effective
uid=0 gid=0 pid=23403
auxiliary group list: <none>
configuration file is /usr/local/exim/exim.conf
log selectors = 00000ffc 00020800
cwd=/var/log/exim 4 args: /usr/local/exim/bin/exim -d -M
1Dki9D-00065B-Kt
trusted user
admin user
skipping ACL configuration - not needed
set_process_info: 23403 delivering specified messages
set_process_info: 23403 delivering 1Dki9D-00065B-Kt
reading spool file 1Dki9D-00065B-Kt-H
user=root uid=0 gid=0 sender=root@???
sender_local=1 ident=root
Non-recipients:
Empty Tree
---- End of tree ----
recipients_count=1
body_linecount=2 message_linecount=8
Delivery address list:
ml@???
locking /var/spool/exim/db/retry.lockfile
locked /var/spool/exim/db/retry.lockfile
Segmentation fault

Any ideas ? I am desparate :)

Thanks and regards
Sascha