From: ajay paswan Date: 2012-10-18T15:34:07+09:00 Subject: Re: Unable to send attachment, and dealing with multiple attachment > You appear to be missing a marker somewhere. Why not use the mail gem[1] > and let it handle this for you? is it compatible with ruby 1.7.8? and if I try to install mail gem it gives error: sudo gem install mail [/usr/lib/ruby/gems/1.8/specifications/treetop-1.4.11.gemspec] isn't a Gem::Specification (NilClass instead). [/usr/lib/ruby/gems/1.8/specifications/i18n-0.6.1.gemspec] isn't a Gem::Specification (NilClass instead). [/usr/lib/ruby/gems/1.8/specifications/polyglot-0.3.3.gemspec] isn't a Gem::Specification (NilClass instead). [/usr/lib/ruby/gems/1.8/specifications/mail-2.4.4.gemspec] isn't a Gem::Specification (NilClass instead). [/usr/lib/ruby/gems/1.8/specifications/mime-types-1.19.gemspec] isn't a Gem::Specification (NilClass instead). ERROR: While executing gem ... (ArgumentError) marshal data too short -- Posted via http://www.ruby-forum.com/.