Cant connect IMAP account

[LaShonkilla]

This is the error i get after submitting my info. And yes the info is good.
Connected to imaps://mail.adfinitum.rs:993/
S: * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS MOVE SNIPPET=FUZZY NAMESPACE LITERAL+ NOTIFY SPECIAL-USE COMPRESS=DEFLATE QUOTA AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
W: Supported authentication mechanisms: PLAIN, LOGIN
C: B00000000 COMPRESS DEFLATE
S: B00000000 BAD Error in IMAP command received by server.