On Fri, March 31, 2017 3:57 pm, Xinhuan Zheng wrote: > Hello, > > Today I searched redhat official portal and learned that Sendmail is > considered deprecated. By default, CentOS 7 will use postfix as MTA. That was an excellent decision I welcomed the day RedHat made it. Beginning with my firat RedHat (it was somewhere around RedHat 5 IIRC) I always have been replacing venerable sendmail with postfix. > I > need good advise on what it means to us. We are CentOS customers. We use > that operating system for quite a few years. We rely on Sendmail for years > for us to relay large quantity of emails to our customers for marketing > purpose. Well, it sounds like you are one of the companies with whose effort I have to fight constantly in my own effort to protect our users from spam... Valeri > We build our additional fallback servers as well for fallback > relays. We build our customized configuration for Sendmail too. I really > need help to figure out if we can continue using Sendmail (even > deprecated) for future long term and what implication would be doing so. > Thanks, > > - xinhuan > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++