Forum: Ruby on Rails Email with out SMTP Settings is it possible

Hi all can we send mails with out using SMTP settings. i want to send 
mails
with out smtp is it possible?

Thanks in advance

No it is not possible.

Yes it is:
http://raflabs.com/blogs/silence-is-foo/2011/02/07...

Doesn't SendMail use SMTP?

On Sep 24, 2012, at 9:14 AM, KUL KING wrote:

> Doesn't SendMail use SMTP?

Technically, all outgoing mail is handled by SMTP. That's just the mail 
sending protocol. The issue here is whether that SMTP server is 
localhost (sendmail or another drop-in replacement for that service, 
running on the same machine as Rails) or remote (Gmail or somebody's 
Exchange server or just sendmail configured as a relay on another 
machine). Rails lets you configure this in any number of different ways. 
Read the Rails Guide for ActionMailer for more juicy details.

Walter

So I was right that we have to use SMTP to send email. Whether it is 
from
localhost or gmail. Am I right?

On Sep 24, 2012, at 9:51 AM, KUL KING wrote:

> So I was right that we have to use SMTP to send email. Whether it is from 
localhost or gmail. Am I right?

Yes, that acronym stands for Simple Mail Transport Protocol. It's one of 
the oldest protocols on the Internet -- precedes the Web by tens of 
years, IIRC. It's how all outgoing mail is sent from one server to 
another. You may pick up your mail through different protocols (POP3, 
IMAP) but you always send by SMTP.

Rails documentation and API separate sendmail from smtp -- there's a 
separate :sendmail_settings and :smtp_settings, but you need to 
understand that they are not mutually exclusive. All outgoing mail is 
sent through SMTP (the protocol) and the settings in :smtp_settings may 
specify that sendmail is to be used as the outgoing mail server, in 
which case you can fine-tune that interface with the :sendmail_settings 
parameters.

Walter

KUL KING <kulking370@gmail.com> wrote:

>So I was right that we have to use SMTP to send email. Whether it is from
>localhost or gmail. Am I right?

SMTP = Simple Mail Transfer Protocol. That's the language you use to
talk to another computer to send mail. Usually, you talk to a server
whose job is to take mail from you and send it on to its destination.
If it can't contact the destination machine the first time it tries,
it will wait a while and try again. It won't give up until a few
iterations of this.

You can bypass that and have your program directly contact the
destination machine. In that case, you have to parse the address to
get the domain name, look up the MX record in the DNS for that domain
(not the normal A record), then establish contact with the remote
machine, etc. Using an SMTP relay server is much simpler.

--
Tim Slattery
Slattery_T@bls.gov

That's great. I didn't know about how SMTP works. Thanks for your
demonstration :)