[Dovecot] STARTTLS does not seem to work

[Mike Abbott]

> altair/phil /home/phil 162> telnet 172.30.0.24 143
> Trying 172.30.0.24...
> Connected to 172.30.0.24.
> Escape character is '^]'.
> * OK [CAPABILITY IMAP4rev1 SASL-IR SORT THREAD=REFERENCES MULTIAPPEND
> UNSELECT LITERAL+ IDLE CHILDREN NAMESPACE LOGIN-REFERRALS UIDPLUS
> LIST-EXTENDED I18NLEVEL=1 STARTTLS LOGINDISABLED] AUTHORIZED USERS
> ONLY -- unauthorized access strictly prohibited
> STARTTLS
> STARTTLS BAD Error in IMAP command received by server.
> ^]quit

Every IMAP command needs a command tag.  Instead of "STARTTLS" try "A STARTTLS".