github-rules.sieve

if 
  allof(
  address :is "From" "[email protected]",
  address :is "Cc" "[email protected]"
  )
{
  fileinto "INBOX.notifications.github.direct-mention";
}
elsif 
  allof(
  address :is "From" "[email protected]",
  address :is "Cc" "[email protected]"
  )
{
  fileinto "INBOX.notifications.github.team-mentions";
}
elsif address :is "Cc" "[email protected]" {
  addflag "\\Seen";
  fileinto "INBOX.notifications.github.my-activity";
  removeflag "\\Seen";
}
elsif 
  anyof(
  address :is "Cc" "[email protected]",
  address :is "Cc" "[email protected]"
  )
{
  fileinto "INBOX.notifications.github.assignments";
}
elsif 
  anyof(
  address :is "Cc" "[email protected]",
  address :is "Cc" "[email protected]",
  address :is "Cc" "[email protected]",
  address :is "Cc" "[email protected]"
  )
{
  fileinto "INBOX.notifications.github.other";
}