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▼ Yukiさん > ご対応いただきありがとうございます。 > いただいたバージョン2.83.06bを導入したところ問題が解消しました。IMAP IDLEがオンの状態でも新着メールを開くことができました。 > > 念のため2.83.06aと2.83.06bのプロトコルログをこちらに記載します。2.83.06aのログは、比較のために後から入れ直したので日時が前後しています。 > 一部メールアドレスの部分はマスクしています。 > > ======================================== > 【2.83.06a（新着メールが開けない版）】 > ======================================== > >>> 2026/11/01 17:06:58 <<< > > DONE > * 9 EXISTS > * 1 RECENT > 0023 OK IDLE completed > DONE > 0036 CLOSE > 0036 OK mailbox closed. > 0037 SELECT "INBOX" > * FLAGS (\Draft \Answered \Flagged \Deleted \Seen \Recent) > * OK [PERMANENTFLAGS (\* \Draft \Answered \Flagged \Deleted \Seen)] Limited > * 9 EXISTS > * 0 RECENT > * OK [UIDVALIDITY 743943580] Ok > * OK [MYRIGHTS "acdilrsw"] ACL > 0037 OK [READ-WRITE] Ok > 0038 GETQUOTAROOT "INBOX" > * QUOTAROOT "INBOX" "ROOT" > * QUOTA "ROOT" (STORAGE 219383 10485760) > 0038 OK GETQUOTAROOT Ok. > 0039 UID SEARCH DELETED > * SEARCH > 0039 OK SEARCH done. > 0040 STATUS "INBOX" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX" (MESSAGES 9 UIDNEXT 3995 UNSEEN 1) > 0040 OK STATUS Completed. > 0041 UID SEARCH NOT DELETED > * SEARCH 2951 3435 3783 3805 3900 3910 3952 3992 3994 > 0041 OK SEARCH done. > 0042 UID SEARCH UNSEEN > * SEARCH 3994 > 0042 OK SEARCH done. > 0043 UID SEARCH ANSWERED > * SEARCH > 0043 OK SEARCH done. > 0044 UID SEARCH FLAGGED > * SEARCH > 0044 OK SEARCH done. > 0045 UID FETCH 3994:3994 (UID FLAGS RFC822.SIZE INTERNALDATE BODY.PEEK[HEADER]) > * 9 FETCH (UID 3994 FLAGS () RFC822.SIZE 9856 INTERNALDATE "01-Nov-2026 17:07:02 +0900" BODY[HEADER] {9842} > ) > 0045 OK FETCH completed. > 0046 UID SEARCH DELETED > * SEARCH > 0046 OK SEARCH done. > 0047 IDLE > + entering idle mode > DONE > DONE > 0047 OK IDLE completed > 0048 UID STORE 3994 +FLAGS.SILENT (\Seen) > DONE NO Error in IMAP command received by server. > 0049 UID FETCH 3994 (BODY.PEEK[]) > 0048 OK STORE completed. > 0050 IDLE > * 9 FETCH (UID 3994 BODY[] {9856} > Return-Path: <SRS0=Lgc1=wi=gmail.com=xxxxxxxxx@xxxxxxxxxxxx> > 0051 UID FETCH 3994 (BODY.PEEK[]) > Received: from i-bac.cloudflare-email.net (i-bac.cloudflare-email.net [104.30.8.102]) > > > ======================================== > 【2.83.06b（問題が解消した版）】 > ======================================== > >>> 2026/10/31 22:58:34 <<< > > >>> Connecting to "xxxxxxx.sakura.ne.jp" (SSL/TLS) [2026/10/31 22:58:49] <<< > * OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE AUTH=PLAIN ACL ACL2=UNION] Courier-IMAP ready. Copyright 1998-2017 Double Precision, Inc. See COPYING for distribution information. > 0013 CAPABILITY > * CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE AUTH=PLAIN ACL ACL2=UNION > 0013 OK CAPABILITY completed > 0014 LOGIN ******** ******** > 0014 OK LOGIN Ok. > 0015 CAPABILITY > * CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE AUTH=PLAIN ACL ACL2=UNION > 0015 OK CAPABILITY completed > 0016 NAMESPACE > * NAMESPACE (("INBOX." ".")) NIL (("#shared." ".")("shared." ".")) > 0016 OK NAMESPACE completed. > 0017 LIST "" "INBOX" > * LIST (\Marked \HasChildren) "." "INBOX" > 0017 OK LIST completed > 0018 LIST "INBOX." * > * LIST (\HasNoChildren) "." "INBOX.&MKIw,DCrMKQw1g-" > * LIST (\HasNoChildren) "." "INBOX.Trash" > * LIST (\HasNoChildren) "." "INBOX.spam" > * LIST (\HasNoChildren) "." "INBOX.Sent" > * LIST (\HasNoChildren) "." "INBOX.Draft" > 0018 OK LIST completed > 0019 STATUS "INBOX" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX" (MESSAGES 1 UIDNEXT 217 UNSEEN 1) > 0019 OK STATUS Completed. > 0020 STATUS "INBOX.Draft" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX.Draft" (MESSAGES 0 UIDNEXT 9 UNSEEN 0) > 0020 OK STATUS Completed. > 0021 STATUS "INBOX.Sent" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX.Sent" (MESSAGES 6 UIDNEXT 10 UNSEEN 0) > 0021 OK STATUS Completed. > 0022 STATUS "INBOX.spam" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX.spam" (MESSAGES 0 UIDNEXT 3 UNSEEN 0) > 0022 OK STATUS Completed. > 0023 STATUS "INBOX.Trash" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX.Trash" (MESSAGES 25 UIDNEXT 190 UNSEEN 0) > 0023 OK STATUS Completed. > 0024 STATUS "INBOX.&MKIw,DCrMKQw1g-" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX.&MKIw,DCrMKQw1g-" (MESSAGES 32 UIDNEXT 33 UNSEEN 0) > 0024 OK STATUS Completed. > 0026 SELECT "INBOX" > * FLAGS (\Draft \Answered \Flagged \Deleted \Seen \Recent) > * OK [PERMANENTFLAGS (\* \Draft \Answered \Flagged \Deleted \Seen)] Limited > * 1 EXISTS > * 1 RECENT > * OK [UIDVALIDITY 757688583] Ok > * OK [MYRIGHTS "acdilrsw"] ACL > 0026 OK [READ-WRITE] Ok > 0027 GETQUOTAROOT "INBOX" > * QUOTAROOT "INBOX" "ROOT" > * QUOTA "ROOT" (STORAGE 1313 10485760) > 0027 OK GETQUOTAROOT Ok. > 0028 UID SEARCH DELETED > * SEARCH > 0028 OK SEARCH done. > 0029 STATUS "INBOX" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX" (MESSAGES 1 UIDNEXT 217 UNSEEN 1) > 0029 OK STATUS Completed. > 0030 UID SEARCH NOT DELETED > * SEARCH 216 > 0030 OK SEARCH done. > 0031 UID SEARCH UNSEEN > * SEARCH 216 > 0031 OK SEARCH done. > 0032 UID SEARCH ANSWERED > * SEARCH > 0032 OK SEARCH done. > 0033 UID SEARCH FLAGGED > * SEARCH > 0033 OK SEARCH done. > 0034 FETCH 1:1 (UID FLAGS RFC822.SIZE INTERNALDATE BODY.PEEK[HEADER]) > * 1 FETCH (UID 216 FLAGS (\Recent) RFC822.SIZE 9862 INTERNALDATE "31-Oct-2026 22:57:09 +0900" BODY[HEADER] {9852} > ) > 0034 OK FETCH completed. > 0035 UID SEARCH DELETED > * SEARCH > 0035 OK SEARCH done. > 0036 IDLE > + entering idle mode > DONE > 0036 OK IDLE completed > 0037 UID STORE 216 +FLAGS.SILENT (\Seen) > 0037 OK STORE completed. > 0038 UID FETCH 216 (BODY.PEEK[]) > * 1 FETCH (UID 216 BODY[] {9862} > ) > 0038 OK FETCH completed. > 0039 IDLE > + entering idle mode > DONE > 0039 OK IDLE completed > 0041 CLOSE > 0041 OK mailbox closed. > 0042 SELECT "INBOX" > * FLAGS (\Draft \Answered \Flagged \Deleted \Seen \Recent) > * OK [PERMANENTFLAGS (\* \Draft \Answered \Flagged \Deleted \Seen)] Limited > * 1 EXISTS > * 0 RECENT > * OK [UIDVALIDITY 757688583] Ok > * OK [MYRIGHTS "acdilrsw"] ACL > 0042 OK [READ-WRITE] Ok > 0043 GETQUOTAROOT "INBOX" > * QUOTAROOT "INBOX" "ROOT" > * QUOTA "ROOT" (STORAGE 1313 10485760) > 0043 OK GETQUOTAROOT Ok. > 0044 UID SEARCH DELETED > * SEARCH > 0044 OK SEARCH done. > 0045 STATUS "INBOX" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX" (MESSAGES 1 UIDNEXT 217 UNSEEN 0) > 0045 OK STATUS Completed. > 0046 UID SEARCH NOT DELETED > * SEARCH 216 > 0046 OK SEARCH done. > 0047 UID SEARCH UNSEEN > * SEARCH > 0047 OK SEARCH done. > 0048 UID SEARCH ANSWERED > * SEARCH > 0048 OK SEARCH done. > 0049 UID SEARCH FLAGGED > * SEARCH > 0049 OK SEARCH done. > 0050 IDLE > + entering idle mode > DONE > 0050 OK IDLE completed > 0052 CLOSE > 0052 OK mailbox closed. > 0053 SELECT "INBOX" > * FLAGS (\Draft \Answered \Flagged \Deleted \Seen \Recent) > * OK [PERMANENTFLAGS (\* \Draft \Answered \Flagged \Deleted \Seen)] Limited > * 1 EXISTS > * 0 RECENT > * OK [UIDVALIDITY 757688583] Ok > * OK [MYRIGHTS "acdilrsw"] ACL > 0053 OK [READ-WRITE] Ok > 0054 GETQUOTAROOT "INBOX" > * QUOTAROOT "INBOX" "ROOT" > * QUOTA "ROOT" (STORAGE 1313 10485760) > 0054 OK GETQUOTAROOT Ok. > 0055 UID SEARCH DELETED > * SEARCH > 0055 OK SEARCH done. > 0056 STATUS "INBOX" (MESSAGES UNSEEN UIDNEXT) > * STATUS "INBOX" (MESSAGES 1 UIDNEXT 217 UNSEEN 0) > 0056 OK STATUS Completed. > 0057 UID SEARCH NOT DELETED > * SEARCH 216 > 0057 OK SEARCH done. > 0058 UID SEARCH UNSEEN > * SEARCH > 0058 OK SEARCH done. > 0059 UID SEARCH ANSWERED > * SEARCH > 0059 OK SEARCH done. > 0060 UID SEARCH FLAGGED > * SEARCH > 0060 OK SEARCH done. > 0061 IDLE > + entering idle mode > > > よろしくお願いいたします。
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