Hello,

We are debugging an issue with IMAP using NTLM for authentication:

Mac:
* OK The Microsoft Exchange IMAP4 service is ready.
A001 CAPABILITY
* CAPABILITY IMAP4 IMAP4rev1 AUTH=NTLM AUTH=GSSAPI AUTH=PLAIN UIDPLUS CHILDREN IDLE NAMESPACE LITERAL+
A001 OK CAPABILITY completed.
A002 AUTHENTICATE NTLM
+
TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA=
+
<Base64 codierte Daten>
<Base64 codierte Daten>
A002 OK AUTHENTICATE completed.
…
 
 
Win:
* OK The Microsoft Exchange IMAP4 service is ready.
A001 CAPABILITY
* CAPABILITY IMAP4 IMAP4rev1 AUTH=NTLM AUTH=GSSAPI AUTH=PLAIN UIDPLUS CHILDREN IDLE NAMESPACE LITERAL+
A001 OK CAPABILITY completed.
A002 AUTHENTICATE NTLM
+
TlRMTVNTUAABAAAABoIAAAAAAAAAAAAAAAAAAAAAAAA=
A002 NO AUTHENTICATE failed.
Closing connection 0
TLSv1.0 (OUT), TLS alert, Client hello (1):

Does someone know why the TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA= string on Mac has two II inside and the Win side uses IA on the same place.
Anyone knows why?

Sincerely
Christian

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