- maildir: If uidlist isn't read, don't mark its UIDs as being known when saving. - maildir: Avoid unnecessary uidlist recreation during mail delivery. - Removed "die after 3 EINTR write() failures to log".
- maildir: If uidlist isn't read, don't mark its UIDs as being known when saving. - maildir: Avoid unnecessary uidlist recreation during mail delivery. - Removed "die after 3 EINTR write() failures to log".