Major Hayden/Posts/Enable submission port 587 in Sendmail/Enable submission port 587 in Sendmail21 May 2007·25 words·1 min· mailTo enable submission access on port 587 in sendmail, add the following to the sendmail.mc:DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnlRebuild the sendmail.cf file and restart sendmail.