[Eisfair] Mailzugriff per imap nicht mehr möglich, TLS, Thunderbird 78

[Alex Busam]

> # openssl s_client -connect <server>:143 -tls1_2 -starttls imap
> 

> 
  openssl s_client -connect ddddd.ddddddddd.org:143 -tls1_2 -starttls imap
CONNECTED(00000003)
140120777020672:error:1425F102:SSL 
routines:ssl_choose_client_version:unsupported 
protocol:ssl/statem/statem_lib.c:1928:
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 562 bytes and written 251 bytes
Verification: OK
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
     Protocol  : TLSv1.2
     Cipher    : 0000
     Session-ID:
     Session-ID-ctx:
     Master-Key:
     PSK identity: None
     PSK identity hint: None
     SRP username: None
     Start Time: 1595334660
     Timeout   : 7200 (sec)
     Verify return code: 0 (ok)
     Extended master secret: no


aha....das geht also nicht.