Paperless - E-Mail - Keine Verbindung zum Mailserver

Hallo zusammen,
ich habe, denke ich, ein ähnliches, wenn nicht gar dasselbe Problem mit Strato.

Ich habe meine strato-mail eingerichtet, laut „TESTEN“-Button funktioniert das auch, allerdings scheint diese überhaupt nicht abgerufen zu werden. Im Mail bleibt der „Processing mail account“ - Befehl für diese Adresse aus.

Bei anderen Accounts von bspw. outlook.com, icloud.com und mailbox.org funktioniert das aber reibungslos.

Wenn ich den Curl-Befehl via SSH auf meinem Synology-NAS für die Strato-imap ausführe, kommt bei mir das hier:


* TLSv1.0 (OUT), TLS header, Certificate Status (22):

* TLSv1.3 (OUT), TLS handshake, Client hello (1):

* TLSv1.2 (IN), TLS header, Certificate Status (22):

* TLSv1.3 (IN), TLS handshake, Server hello (2):

* TLSv1.2 (IN), TLS header, Finished (20):

* TLSv1.2 (IN), TLS header, Supplemental data (23):

* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):

* TLSv1.2 (IN), TLS header, Supplemental data (23):

* TLSv1.3 (IN), TLS handshake, Certificate (11):

* TLSv1.2 (IN), TLS header, Supplemental data (23):

* TLSv1.3 (IN), TLS handshake, CERT verify (15):

* TLSv1.2 (IN), TLS header, Supplemental data (23):

* TLSv1.3 (IN), TLS handshake, Finished (20):

* TLSv1.2 (OUT), TLS header, Finished (20):

* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):

* TLSv1.2 (OUT), TLS header, Supplemental data (23):

* TLSv1.3 (OUT), TLS handshake, Finished (20):

* TLSv1.2 (OUT), TLS header, Supplemental data (23):

> GET / HTTP/1.1

> Host: imap.strato.de:993

> User-Agent: curl/7.86.0

> Accept: */*

>

* TLSv1.2 (IN), TLS header, Supplemental data (23):

* Received HTTP/0.9 when not allowed

* TLSv1.2 (IN), TLS header, Supplemental data (23):

* TLSv1.2 (OUT), TLS header, Supplemental data (23):

* TLSv1.3 (OUT), TLS alert, close notify (256):

curl: (1) Received HTTP/0.9 when not allowed

Mein Mail.log für die Adressen wo das funktioniert, sieht so aus:

[2023-12-04 22:55:19,984] [DEBUG] [paperless_mail] Processing mail account *****@outlook.com

[2023-12-04 22:55:20,210] [DEBUG] [paperless_mail] GMAIL Label Support: False

[2023-12-04 22:55:20,210] [DEBUG] [paperless_mail] AUTH=PLAIN Support: True

[2023-12-04 22:55:20,744] [DEBUG] [paperless_mail] Account *****@outlook.com: Processing 1 rule(s)

[2023-12-04 22:55:20,751] [DEBUG] [paperless_mail] Rule *****@outlook.com.*****@outlook.com: Selecting folder INBOX

[2023-12-04 22:55:20,851] [DEBUG] [paperless_mail] Rule *****@outlook.com.*****@outlook.com: Searching folder with criteria (SINCE 5-Sep-2023 UNSEEN)

[2023-12-04 22:55:22,996] [DEBUG] [paperless_mail] Rule *****@outlook.com.*****@outlook.com: Processed 19 matching mail(s)

[2023-12-04 22:55:23,030] [DEBUG] [paperless_mail] Processing mail account *****@outlook.com

[2023-12-04 22:55:23,262] [DEBUG] [paperless_mail] GMAIL Label Support: False

[2023-12-04 22:55:23,263] [DEBUG] [paperless_mail] AUTH=PLAIN Support: True

[2023-12-04 22:55:23,847] [DEBUG] [paperless_mail] Account *****@outlook.com: Processing 1 rule(s)

[2023-12-04 22:55:23,851] [DEBUG] [paperless_mail] Rule *****@outlook.com.*****@outlook.com: Selecting folder INBOX

[2023-12-04 22:55:23,900] [DEBUG] [paperless_mail] Rule *****@outlook.com.*****@outlook.com: Searching folder with criteria (SINCE 5-Sep-2023 UNSEEN)

[2023-12-04 22:55:24,053] [DEBUG] [paperless_mail] Rule *****@outlook.com.*****@outlook.com: Processed 1 matching mail(s)

[2023-12-04 22:55:24,096] [DEBUG] [paperless_mail] Processing mail account *****@mailbox.org

[2023-12-04 22:55:24,242] [DEBUG] [paperless_mail] GMAIL Label Support: False

[2023-12-04 22:55:24,243] [DEBUG] [paperless_mail] AUTH=PLAIN Support: True

[2023-12-04 22:55:24,313] [DEBUG] [paperless_mail] Account *****@mailbox.org: Processing 1 rule(s)

[2023-12-04 22:55:24,317] [DEBUG] [paperless_mail] Rule *****@mailbox.org.*****@mailbox.org: Selecting folder INBOX

[2023-12-04 22:55:24,332] [DEBUG] [paperless_mail] Rule *****@mailbox.org.*****@mailbox.org: Searching folder with criteria (SINCE 5-Sep-2023 UNSEEN)

[2023-12-04 22:55:24,366] [DEBUG] [paperless_mail] Skipping mail <imap_tools.message.MailMessage object at 0x7f8be7e2acd0>, already processed.

[2023-12-04 22:55:24,430] [DEBUG] [paperless_mail] Rule *****@mailbox.org.*****@mailbox.org: Processed 3 matching mail(s)

[2023-12-04 22:55:24,446] [DEBUG] [paperless_mail] Processing mail account *****@mail.de

Würde mich freuen, wenn du eine Idee dazu hast. Vielen Dank und beste Grüße.
Btw: Ich meine, dass es schon mal vor ein paar Monaten funktioniert hat…