app/models/agents/imap_folder_agent.rb

@@ -227,8 +227,14 @@ module Agents

                             }
              

                           when 'from', 'to', 'cc'
              

                             value.present? or next true
              

                -            header = mail.header[key] or next false
              

                -            header.addresses.any? { |address|
              

                +            begin
              

                +              # Mail::Field really needs to define respond_to_missing?
              

                +              # so we could use try(:addresses) here.
              

                +              addresses = mail.header[key].addresses
              

                +            rescue NoMethodError
              

                +              next false
              

                +            end
              

                +            addresses.any? { |address|
              

                               Array(value).any? { |pattern|
              

                                 glob_match?(pattern, address)
              

                               }
              

spec/models/agents/imap_folder_agent_spec.rb

@@ -265,6 +265,24 @@ describe Agents::ImapFolderAgent do

                         }
              

                         expect { @checker.check }.to change { Event.count }.by(1)
              

                       end
              

                +
              

                +      describe 'processing mails with a broken From header value' do
              

                +        before do
              

                +          # "from" patterns work against mail addresses and not
              

                +          # against text parts, so these mails should be skipped if a
              

                +          # "from" condition is given.
              

                +          @mails.first.header['from'] = '.'
              

                +          @mails.last.header['from'] = '@'
              

                +        end
              

                +
              

                +        it 'should ignore them without failing if a "from" condition is given' do
              

                +          @checker.options['conditions']['from'] = '*'
              

                +
              

                +          expect {
              

                +            expect { @checker.check }.not_to change { Event.count }
              

                +          }.not_to raise_exception
              

                +        end
              

                +      end
              

                     end
              

                   end