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▽ 2026/10/20 (火) 11:21:14 ▽ ippei |
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M106072216003.v4.enabler.ne.jp / Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/155.0.0.0 Safari/537.36 |
| 同じ事象が発生しています。
ログが取れてますので追加情報としてお送りいたします。
概要は以下です。
- 現象: 送信で535(BadCredentials)になり、「メール送信中にネットワーク障害が発生しました」ダイアログが表示される。OKを押すともう一度同じダイアログが出て再度OKを押すと出なくなり、送信画面はそのまま残り手動で再送すると成功する。
-その後しばらく問題無く送信出来るが暫くするとまた同じ事象となる。
-正確では無いが2026年の8月位から起き始めたようだ。
-Becky!のバージョンを上げてみた(Ver.2.75.04⇒Ver.2.83.03)が改善しない。
- 環境の設定: POP3(pop.gmail.com)、SMTP smtp.gmail.com:587、認証はOAuth2
- 実験結果: 10分・20分・30分間隔で、NGが「トークン更新から約1時間」で再現する(以下にログを転載)
- 推測: アクセストークンの期限前の更新が行われていないように見える
-------以下取得したログ(メールアドレスは伏字に変えてます)-------
(1)10分+6秒間隔で送信
>>> 2026/10/18 8:53:12 <<<
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 8:53:33] <<<
220 smtp.gmail.com ESMTP 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
235 2.7.0 Accepted
RSET
250 2.1.5 Flushed 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
MAIL FROM:<□□□□□@gmail.com>
250 2.1.0 OK 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
RCPT TO:<□□□□□@gmail.com>
250 2.1.5 OK 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
DATA
354 Go ahead 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
.
250 2.0.0 OK 1792281216 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
QUIT
221 2.0.0 closing connection 98e67ed59e1d1-3ac943e7548sm14851832a91.1 - gsmtp
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 9:03:39] <<<
220 smtp.gmail.com ESMTP 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
235 2.7.0 Accepted
RSET
250 2.1.5 Flushed 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
MAIL FROM:<□□□□□@gmail.com>
250 2.1.0 OK 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
RCPT TO:<□□□□□@gmail.com>
250 2.1.5 OK 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
DATA
354 Go ahead 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
.
250 2.0.0 OK 1792281820 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
QUIT
221 2.0.0 closing connection 98e67ed59e1d1-3ac945e7311sm14851312a91.4 - gsmtp
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 9:13:45] <<<
220 smtp.gmail.com ESMTP 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
235 2.7.0 Accepted
RSET
250 2.1.5 Flushed 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
MAIL FROM:<□□□□□@gmail.com>
250 2.1.0 OK 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
RCPT TO:<□□□□□@gmail.com>
250 2.1.5 OK 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
DATA
354 Go ahead 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
.
250 2.0.0 OK 1792282424 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
QUIT
221 2.0.0 closing connection 98e67ed59e1d1-3acd05fb680sm5968710a91.2 - gsmtp
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 9:23:51] <<<
220 smtp.gmail.com ESMTP 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
235 2.7.0 Accepted
RSET
250 2.1.5 Flushed 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
MAIL FROM:<□□□□□@gmail.com>
250 2.1.0 OK 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
RCPT TO:<□□□□□@gmail.com>
250 2.1.5 OK 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
DATA
354 Go ahead 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
.
250 2.0.0 OK 1792283030 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
QUIT
221 2.0.0 closing connection 98e67ed59e1d1-3ac9474b52fsm16776635a91.9 - gsmtp
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 9:33:57] <<<
220 smtp.gmail.com ESMTP d9443c01a7336-2e97e8b1dd8sm24049175ad.69 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
535 5.7.8 ttps://support.google.com/mail/?p=BadCredentials d9443c01a7336-2e97e8b1dd8sm24049175ad.69 - gsmtp
AUTH XOAUTH2
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 9:34:12] <<<
220 smtp.gmail.com ESMTP d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
235 2.7.0 Accepted
RSET
250 2.1.5 Flushed d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
MAIL FROM:<□□□□□@gmail.com>
250 2.1.0 OK d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
RCPT TO:<□□□□□@gmail.com>
250 2.1.5 OK d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
DATA
354 Go ahead d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
.
250 2.0.0 OK 1792283653 d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
QUIT
221 2.0.0 closing connection d9443c01a7336-2e97e85fd1dsm24814315ad.49 - gsmtp
>>> Connecting to "smtp.gmail.com" (SSL/TLS) [2026/10/18 9:44:17] <<<
220 smtp.gmail.com ESMTP d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
STARTTLS
220 2.0.0 Ready to start TLS
EHLO [192.168.1.100]
250-smtp.gmail.com at your service, [240b:10:d803:3700:853e:930:b9d5:4d9c]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
AUTH XOAUTH2
235 2.7.0 Accepted
RSET
250 2.1.5 Flushed d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
MAIL FROM:<□□□□□@gmail.com>
250 2.1.0 OK d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
RCPT TO:<□□□□□@gmail.com>
250 2.1.5 OK d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
DATA
354 Go ahead d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
.
250 2.0.0 OK 1792284258 d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
QUIT
221 2.0.0 closing connection d9443c01a7336-2e97e5d5558sm24976765ad.7 - gsmtp
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