On Sun, Mar 22, 2020 at 9:00 PM Keith Lofstrom <[email protected]> wrote:
> MY FIRST QUESTION IS: can multiple domains and multiple > SSL certificates share one IP address? I can rent more > IP addresses, but I hope to avoid complication and cost. > The way I did it is to create an SSL certificate with multiple domain names. That works. > > NEXT QUESTION: what is a good ten page summary of how to > set up and maintain SSL certificates in the simplest way? > Look for LetsEncrypt and/or certbot documentation for multiple domain names. > > Ditto for DKIM, and configuring postfix for both. > > - - - - - - - - - - background - - - - - - - - - - - - > > Over the years, I've accumulated many domains and URLs > on three web servers and multiple companies. I've spent > a few days simplifying and debugging all that. > > After transferring dirvish to a new maintainer, I've > consolidated everything else onto one offsite virtual > server with one IP address. 14 domain names point at > that IP address, all with the same domain registrar. > > About half of the domains send email. For example, the > wiki websites notify page authors that their page has > been modified. > > Without SSL certificates, some of the major email services > (like gmail) automatically route my outbound emails to user > spam folders. Not helpful. > > I don't really understand SSL certificates, or DKIM, but > those can establish the bona fides of my mail server with > the big services. Both my name registrar and my virtual > server hosting provider offer free certs ... I think. > > If I need more information, I can websearch the buzzwords > in the summaries, or pester the rest of you. The better > the summaries, the less the pestering. > > Keith > > -- > Keith Lofstrom [email protected] > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
