> On Jan 16, 2020, at 6:19 PM, fugee ohu <fugee...@gmail.com> wrote:
>
>
>
> 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> 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, and Reply-to: us...@example.com. 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 found google was rejecting mail from my server because I didn't DKIM and
> DMARC signatures setup After adding the services how do I ask google to
> re-review my mail server if I'm not using gsuite?
>
I'm pretty sure it's done on a message-by-message basis. I doubt they maintain
a ban-list that you're on, and have to remove you from. Each message
purportedly "from" some other address is a new and special thing, since headers
are so very easy to forge.
Walter
--
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/9FB722B6-1423-494F-B0B9-409068C7D831%40wdstudio.com.
