On Monday, December 30, 2019 at 2:48:06 PM UTC-5, Walter Lee Davis wrote: > > > > > On Dec 29, 2019, at 11:44 PM, fugee ohu <fuge...@gmail.com <javascript:>> > wrote: > > > > I searched my entire tree starting at / for the name of my mail server > but didn't find it Everything's working it sends mail in production just > fine but I'm trying to figure out how, since it seems I never put the url > of my mail server anywhere? > > Your production server may be set up with postfix or sendmail, and thus > the default (SMTP to localhost) will Just Workâ˘. When your application > sends mail, it just sends a raw SMTP message to port 25 on the localhost, > and the mail server running there accepts it and forwards it. That's the > default, baked into Rails, in case you don't configure anything more > specific. > > This is almost never what you actually want, because unless your > production Web server is also set up as an authoritative (DNS-verified) > SMTP server, your mail delivery will be spotty at best to large (think > Gmail) recipients. Those services take spam very seriously, and you have to > climb over some tall fences (configured in DNS, mainly, through TEXT and MX > records) in order to please them enough to accept your messages. > > This is doubly-true if your application is designed to send mail that is > "apparently-from" someone who is not at your server's domain. Services like > SendGrid exist to take this pain away from you, making sending > transactional e-mail as pain-free as possible, because they work to ensure > that their servers don't end up on banned lists, or get off them quickly. > > My recommendation if you want to send mail out to one user that appears to > be from another user, such that they can just hit "reply" in their mail > application and respond to it, send the message with the headers From: > a-real-...@your-server.com <javascript:>, and Reply-to: us...@example.com > <javascript:>. That way the message is deliverable (since it came from > you, and you authenticate that in your DNS settings), but the recipient can > simply press Reply and not have to manually correct the To: address in that > message. > > Walter
I'm running a mail server, (on another machine at another ip address) I'll configure my sites to use it -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/01a51c8a-e4d7-4fa0-b9ee-0f8b2082704d%40googlegroups.com.
