https://github.com/curl/curl/pull/18573
Use &= ~authused in SASL_CANCEL (was ^=) to actually remove the offending mechanism and avoid re-enabling a disabled mech on retry.
saslclearcanceledmechanisminstead
https://doc.dovecot.org/2.4.2/howto/sasl/exim.html
Dovecot CE Documentation
eximdovecotsaslce
https://doc.dovecot.org/2.4.2/howto/sasl/chasquid.html
Dovecot CE Documentation
dovecotsaslce
https://docs.memcached.org/protocols/binarysasl/
Overview Most deployments of memcached today exist within trusted networks where clients may freely connect to any server and the servers don’t discriminate...
memcached documentationbinarysaslauth