O

onlySubfolders -- Mail::Box::Identity
open -- Mail::Box::Identity
open -- Mail::Box::Manager
openFile -- Mail::Box::Parser
openFolders -- Mail::Box::Manager
openRelatedFolder -- Mail::Box
openSubFolder -- Mail::Box
openSubFolder -- Mail::Box::POP3
orderedFields -- Mail::Message::Head
orderedFields -- Mail::Message::Head::ResentGroup
organization -- Mail::Box
organization -- Mail::Identity
organization -- User::Identity::Location
os -- User::Identity::System
outThread -- Mail::Box::Thread::Manager