S.A.F.E.R. Security Bulletin 001103.EXP.1.9 - The Lotus Domino SMTP server v5.04 and below contains a remotely exploitable buffer overflow when it handles the ENVID keyword in the Mail from: line. Fix available here.
3d54135993438ddbcfc3c7171cfebe8be53fdca8ec9f3d3eaee1d27766838c2e