From: Yohanes Santoso <ysantoso-rubytalk@...>
Date: 2006-07-31T02:43:51+09:00
Subject: Re: TCPSocket and RFC 821

"Satish Talim" <satish.talim@gmail.com> writes:

> I wanted to send an email from my desktop using a simple Ruby program.
> I installed 1st SMTP Server
> (http://www.emailarms.com/products/1st_smtp.html)  - an easy to use
> SMTP mail relay server. It is used for relaying your email messages to
> its destinations quickly and easily. For this server, I need to use
> localhost and port 25 on my PC.
>
> Then the program I wrote was (based on RFC 821) -
>
> require 'socket'
> t = TCPSocket.new('localhost', 25)
> puts t.gets
> t.puts 'HELO Welcome from Ruby'
> puts t.gets
> t.puts 'MAIL FROM:<abc@gmail.com>'
> puts t.gets
> t.puts 'RCPT TO:<abc@gmail.com>'
> puts t.gets
> t.puts 'DATA'
> puts t.gets
> t.puts 'Test Email from Ruby'
t.puts "test email from ruby\r\n"

> t.puts "\r\n.\r\n"
> puts t.gets
> t.puts 'QUIT'
> puts t.gets
> t.close
>
> However, while running the program, I get an error as follows:
>
> 220 Welcome to the 1st SMTP Server
>
> 250 Hello Welcome from Ruby
>
> 250 abc@gmail.com Address Okay
>
> 250 abc@gmail.com Address Okay
>
> 354 Start mail input; end with <CRLF>.<CRLF>
>
> nil
> email.rb:15:in `write': Invalid argument (Errno::EINVAL)
> 	from email.rb:15:in `puts'
> 	from email.rb:15
>>Exit code: 1
>
> I am unable to figure out what the problem is. All help appreciated.