method
attachments
v7.1.3.4 -
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Class: ActionMailer::Base
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attachments()
public
Allows you to add attachments to an email, like so:
mail.attachments['filename.jpg'] = File.read('/path/to/filename.jpg')
If you do this, then Mail will take the file name and work out the mime type. It will also set the Content-Type, Content-Disposition, and Content-Transfer-Encoding, and encode the contents of the attachment in Base64.
You can also specify overrides if you want by passing a hash instead of a string:
mail.attachments['filename.jpg'] = {mime_type: 'application/gzip', content: File.read('/path/to/filename.jpg')}
If you want to use encoding other than Base64 then you will need to pass encoding type along with the pre-encoded content as Mail doesn’t know how to decode the data:
file_content = SpecialEncode(File.read('/path/to/filename.jpg')) mail.attachments['filename.jpg'] = {mime_type: 'application/gzip', encoding: 'SpecialEncoding', content: file_content }
You can also search for specific attachments:
# By Filename mail.attachments['filename.jpg'] # => Mail::Part object or nil # or by index mail.attachments[0] # => Mail::Part (first attachment)