Unable to display page
It has not been possible to display the page you requested for the following reason:
ICAP protocol error.
The system returned: [No Error]
Contact your system administrator if you continue to experience difficulties.
I also tried installing this via 'gem install actionmailer -v
2.3.5 --no-rdoc --no-ri' but I got the following error:
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError)
bad response Internal Server Error 500 (http://production.cf.rubygems.org/gems/actionmailer-2.3.5.gem)