On 16/10/15 02:00, Michael Orlitzky wrote: > On 10/15/2015 01:04 PM, walt wrote: >> My ISP recently started offering imap email service in addition to >> the pop3/smtp servers they've always had, so I decided to try it. >> >> I was surprised to see that they recommend using a different smtp >> server name when setting up my mail client, and they even offer the >> option of using port 587 instead of 465 if I prefer it. >> >> ... >> >> (The different server names actually resolve to the same IP address, so >> the distinction seems to be more theoretical than real, but the theory >> is what puzzles me.) >> > > Port 587 offers optional TLS security, and it uses an "SSL certificate" > just like a website. And just like a website, there's a name on the > certificate, and that name has to match what you type in the "SMTP > server" box, otherwise your mail client will throw a warning. > > >
which makes sense if their old server was called pop3.isp ? Avoiding user confusion - map pop3.isp, imap.isp and mail.isp to the same address. Pre-planning for future expansion/configuration changes? d) all the above :) BillK
