From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Trying to send e-mail
Date: Mon, 14 Nov 2016 09:51:08 +0100
Organization: Aioe.org NNTP Server
Message-ID: <o0bttr$1kq8$1@gioia.aioe.org>
References: <75f1e6cd-12fa-413b-ae9e-e72b48292e80@googlegroups.com>
NNTP-Posting-Host: vZYCW951TbFitc4GdEwQJg.user.gioia.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: abuse@aioe.org
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101
 Thunderbird/45.4.0
X-Notice: Filtered by postfilter v. 0.8.2
Xref: news.eternal-september.org comp.lang.ada:32309
Date: 2016-11-14T09:51:08+01:00
List-Id: <comp.lang.ada>

On 13/11/2016 23:40, John Smith wrote:

> This is the app that I'm developing (well, a part of it.)
> https://gist.github.com/anonymous/a90387507842aded420402d4fce33076
>
> After I compile it and then run it, this is the exception that I see:
> raised AWS.SMTP.SERVER_ERROR : raised AWS.NET.SOCKET_ERROR : [111] Connection refused to localhost 127.0.0.1:25

Most likely you have no SMTP server running or else it does not 
listening to 127.0.0.1:25. Why do you send to local address?

Did you check your server using some mail client, like Thunderbird?

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de