On 2019-03-21, at 10:03:08, Baxter, Bruce (ITS) wrote: > I'm going to cross post this to mvs-oe as well as here... > > The folks that support Comm Server in-house have approached me about > replacing the SMTPD (which is apparently a USS / OE facility) with CSSMTP, > and I've got some thoughts about the particulars of their implementation that > don't sit well with me. > > I'm a relatively passionate and ardent z mainframe bigot - it's a great > platform to work on. As mainframe folks tend to be, I'm a student of many > platforms. I was shocked when I went back and looked that I wrote an SMTP > client in Cobol a full 25 years ago that is deeply imbedded in all my shop's > batch jobs sending reports and notifications. SMTP Port 25 sendmail / > postfix is a staple and defacto standard worldwide as far as I can tell... > > When we had issues with our Lotus Notes MTA being reliably available and I > couldn't prevail on the owners of that to make it enterprise bulletproof, we > had our z/OS Comm Server folks fire up the local USS SMTPD sendmail daemon. > It's been announced that function will be deprecated in the future and will > be replaced by CSSMTP. After reading through the doc, I can't help but think > that IBM z/OS CS support has lost their marbles. They're removing support > for clients that want to send email via a local sendmail daemon listening on > port 25 (or 587). That doesn't make sense... > > So my questions are: > > * Is anyone else using a local sendmail daemon on their system? From MVS? > From USS? > * Has anyone seen the process that is documented by the Sendmail / CSSMTP > bridge used ANYWHERE but on z/OS? (I've never seen any script that used the > sendmail command to send mail on any linux or aix system I've been on - > they'd all use the mail command) > * Is anyone using JES spool to send email off the platform? > From: https://serverfault.com/questions/244263/is-postfix-the-same-thing-as-sendmail
42 Sendmail is a different (and much older) program from Postfix. However for every mail server to succeed in the Unix environment, a sendmail binary (with some of the expected command line options) must be provided. EDIT: See for example the manual page for the sendmail program provided by Postfix Think about FOSS. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN