doc: add lei-mail-sync-overview manpage

[public-inbox.git] / Documentation / lei-mail-formats.pod

diff --git a/Documentation/lei-mail-formats.pod b/Documentation/lei-mail-formats.pod
index 3c37c88046b6c508eb0094e1c0c813ddeb450058..930c5d7660ea03e2113f7dc027977ceb76f7e5a1 100644 (file)
--- a/Documentation/lei-mail-formats.pod
+++ b/Documentation/lei-mail-formats.pod
@@ -96,7 +96,10 @@ it worth supporting.
 
 Depending on the IMAP server software and configuration, IMAP
 servers may use any (or combination) of the aforementioned
-formats or a non-standard database backend.
+formats or a non-standard database backend.  Currently, lei
+uses L<Mail::IMAPClient> which has acceptable performance
+over low-latency links.  Performance over high-latency links
+is currently poor.
 
 =head1 eml