ondrejbartas · July 18, 2012 15:34
diff --git a/send_mail_with_inline_image.rb b/send_mail_with_inline_image.rb
 # add to Gemfile 
 # gem "mail"
 #
 # or do in terminal
 # 'gem install mail'


 # send_mail_with_inline_image.rb
 require 'mail'

 # prepare normal mail with text body
 mail = Mail.new do
  from  "[email protected]"
  to    "[email protected]"
  bcc   "[email protected]" #optional
  subject "email subject"
  text_part do 
    content_type 'text/plain; charset=UTF-8'
    body "Testing mail with inline image :-)"
  end
 end

 # prepare new alternative body (html + inline images)
 part = Mail::Part.new()
 # add image to alternative part
 part.attachments['image_file.png'] = { :content => File.read('image_file.png'), :content_type => "image/png" }
 # change content type to 'inline'
 part.attachments['image_file.png'].content_disposition("inline; name=\"image_file.png\"")
 # get cid (uniq identificator of image part)
 # you can use <img src="cid:#######" /> to show image
 cid =  part.attachments['image_file.png'].cid
 # build html part
 part.html_part do
  content_type 'text/html; charset=UTF-8'
  # change image src to cid
  body "<html><body>Testing mail <img src=\"cid:#{cid}\" /> with inline image :-)</body></html>"
 end

 # add alternative part to mail
 mail.add_part(part)
 # set related to alternative part
 mail.parts.last.content_type "multipart/related; type=\"text/html\";"
 # set multipart/alternative to whole mail
 mail.content_type "multipart/alternative; boundary=\"#{mail.boundary}\";charset=UTF-8;"

 # using sendmail
 mail.delivery_method :sendmail

 # using Amazon SES 
 # you can get credentials:
 # http://docs.amazonwebservices.com/ses/latest/DeveloperGuide/SMTP.Credentials.html
 #
 # mail.delivery_method :smtp, { :address              => "email-smtp.us-east-1.amazonaws.com",
 #                               :port                 => 587,
 #                               :user_name            => 'USERNAMEfromAMAZONE',
 #                               :password             => 'PASSWORDfromAMAZONE',
 #                               :authentication       => 'login',
 #                               :enable_starttls_auto => true  
 #                            }

 mail.deliver
	# add to Gemfile
	# gem "mail"
	#
	# or do in terminal
	# 'gem install mail'


	# send_mail_with_inline_image.rb
	require 'mail'

	# prepare normal mail with text body
	mail = Mail.new do
	from "[email protected]"
	to "[email protected]"
	bcc "[email protected]" #optional
	subject "email subject"
	text_part do
	content_type 'text/plain; charset=UTF-8'
	body "Testing mail with inline image :-)"
	end
	end

	# prepare new alternative body (html + inline images)
	part = Mail::Part.new()
	# add image to alternative part
	part.attachments['image_file.png'] = { :content => File.read('image_file.png'), :content_type => "image/png" }
	# change content type to 'inline'
	part.attachments['image_file.png'].content_disposition("inline; name=\"image_file.png\"")
	# get cid (uniq identificator of image part)
	# you can use <img src="cid:#######" /> to show image
	cid = part.attachments['image_file.png'].cid
	# build html part
	part.html_part do
	content_type 'text/html; charset=UTF-8'
	# change image src to cid
	body "<html><body>Testing mail <img src=\"cid:#{cid}\" /> with inline image :-)</body></html>"
	end

	# add alternative part to mail
	mail.add_part(part)
	# set related to alternative part
	mail.parts.last.content_type "multipart/related; type=\"text/html\";"
	# set multipart/alternative to whole mail
	mail.content_type "multipart/alternative; boundary=\"#{mail.boundary}\";charset=UTF-8;"

	# using sendmail
	mail.delivery_method :sendmail

	# using Amazon SES
	# you can get credentials:
	# http://docs.amazonwebservices.com/ses/latest/DeveloperGuide/SMTP.Credentials.html
	#
	# mail.delivery_method :smtp, { :address => "email-smtp.us-east-1.amazonaws.com",
	# :port => 587,
	# :user_name => 'USERNAMEfromAMAZONE',
	# :password => 'PASSWORDfromAMAZONE',
	# :authentication => 'login',
	# :enable_starttls_auto => true
	# }

	mail.deliver