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Code Issues Releases Wiki Activity

Added workaround for seqnum 0

This commit is contained in:
M66B 2021-02-19 18:22:53 +01:00
parent 031b1c5a23
commit 668445e9ea
1 changed files with 6 additions and 0 deletions
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6
app/src/main/java/com/sun/mail/imap/IMAPFolder.java
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@ -4033,6 +4033,12 @@ public class IMAPFolder extends Folder implements UIDFolder, ResponseHandler {
* @return the IMAPMessage object
*/
protected IMAPMessage getMessageBySeqNumber(int seqnum) {
if (seqnum < 1) {
// rfc3501 2.3.1.2: "A relative position from 1 to the number of messages in the mailbox."
// Some servers return sequence number zero when there are no messages (found)
eu.faircode.email.Log.w("Sequence=" + seqnum);
return null;
}
if (seqnum > messageCache.size()) {
// Microsoft Exchange will sometimes return message
// numbers that it has not yet notified the client