On Mon, 2007-04-02 at 12:36 +0530, JOYDEEP wrote: > 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! > ------------------------------------------------------------------ As you can see, you already use TLS when connecting to 993/995. STARTTLS doesn't make sense and therefore is "not supported". Connect to unencrypted services ( 110/143 ), then ask for STARTTLS. -- Mirosław "Psyborg" Jaworski GCS/IT d- s+:+ a C++$ UBI++++$ P+++$ L- E--- W++(+++)$ N++ o+ K- w-- O- M- V- PS+ PE++ Y+ PGP t 5? X+ R++ !tv b++(+++) DI++ D+ G e* h++ r+++ y? "If ignorance is bliss, why aren't there more happy people?" ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html