Dear all,
here is some more success story.
1> using LOGIN
imtest -a aftab -m LOGIN linux.kolkatainfoservices.in -p 993 -s
--------------------------------------------------------------
verify error:num=19:self signed certificate in certificate chain
verify error:num=24:invalid CA certificate
verify error:num=26:unsupported certificate purpose
TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
S: * OK linux.kolkatainfoservices.in Cyrus IMAP4 v2.2.12 server ready
C: C01 CAPABILITY
S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
AUTH=LOGIN AUTH=PLAIN SASL-IR X-NETSCAPE
S: C01 OK Completed
Please enter your password:
C: L01 LOGIN aftab {5}
S: + go ahead
C: <omitted>
S: L01 OK User logged in
Authenticated.
Security strength factor: 256
----------------------------------------------------------------------------------------
2> Using PLAIN
imtest -a aftab -m PLAIN linux.kolkatainfoservices.in -p 993 -s
------------------------------------------
verify error:num=19:self signed certificate in certificate chain
verify error:num=24:invalid CA certificate
verify error:num=26:unsupported certificate purpose
TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
S: * OK linux.kolkatainfoservices.in Cyrus IMAP4 v2.2.12 server ready
C: C01 CAPABILITY
S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
AUTH=LOGIN AUTH=PLAIN SASL-IR X-NETSCAPE
S: C01 OK Completed
Please enter your password:
C: A01 AUTHENTICATE PLAIN AGFmdGFiAGFmdGFi
'S: A01 OK Success (tls protection)
Authenticated.
Security strength factor: 256
---------------------------------------------------------------------
3> but the problem is using STARTTLS
---------------------------------------
verify error:num=19:self signed certificate in certificate chain
verify error:num=24:invalid CA certificate
verify error:num=26:unsupported certificate purpose
TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
S: * OK linux.kolkatainfoservices.in Cyrus IMAP4 v2.2.12 server ready
C: C01 CAPABILITY
S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
AUTH=LOGIN AUTH=PLAIN SASL-IR X-NETSCAPE
S: C01 OK Completed
failure: STARTTLS not supported by the server!
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