don't call exit from the SMTP object, call the disconnect method instead
don't call exit from the SMTP object, call the disconnect method instead

minor tweaks


git-svn-id: 5bd49132847c26fb0bf09d36ee8823e0080b2740@203 958fd67b-6ff1-0310-b445-bb7760255be9

sieutruc/qpsmtpd,smtpd/qpsmtpd,priyadi/qpsmtpd,salvis/qpsmtpd,smtpd/qpsmtpd,vetinari/qpsmtpd,sieutruc/qpsmtpd,vetinari/qpsmtpd,sieutruc/qpsmtpd,priyadi/qpsmtpd,msimerson/qpsmtpd,priyadi/qpsmtpd,msimerson/qpsmtpd,salvis/qpsmtpd