This is my sqwebmail environment: SuSE 9.0 (2.4.21-144-default i686) vpopmail 5.4.5 apache 1.3.31 sqwebmail-4.0.5.20040618

./configure --enable-cgibindir=/home/apache/cgi-bin

--enable-unicode=iso8859-1 --with-db=gdbm

--with-authvchkpw --without-authpwd --without-authshadow --without-authpam --without-authuserdb --without-authldap --without-authdaemon --without-fcgi --without-ispell --enable-https=auto --enable-hardtimeout=3600 --enable-softtimeout=1200 --enable-autopurge=7 --enable-maxpurge=14 --enable-mimetypes=/etc/mime.types --with-maxargsize=1048576 --with-maxformargsize=3145728 --with-maxmsgsize=13107200 --enable-changepass --with-gzip --with-calendar --with-calendarpurge=30 --with-trashquota --with-syslog=MAIL

It compiled without errors. I can login, change passwd, but when I try to send and email if I put anything (valid or invalid) on To:, Cc:, Bcc: shows:

Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, post...@some.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

My apache error log shows:

[Wed Jul 14 12:12:40 2004] [error] [client 192.168.112.23] Premature end of script headers: /home/apache/plsql/webmail