account-hook . 'unset preconnect imap_user imap_pass imap_authenticators; set ssl_starttls=ask-yes'

...


account-hook imaps://<user>@<myhost>.de@<my-login-host>/ '\
	set imap_user="<user>@<myhost>.de" \
		imap_pass="<pass>" \
'
folder-hook 'imaps://<user>@<myhost>.de@<my-login-host>/' '\
	set folder="imaps://<user>@<myhost>.de@<my-login-host>/ \
		from="<user>@<myhost>.de" \
		realname="Andreas Bießmann" \
		smtp_url="smtp://<user>@<myhost>.de@<my-login-host>" \
		smtp_pass="<password>" \
		spoolfile="=INBOX" \
		record="=Sent" \
		postponed="=Drafts" \
		trash="=Trash" \

...