package: cyrus-common (3.0.8-6+deb10u1) ...
Rather ancient cyrus imap store upgraded many times and does like twoskip option as of update released 16 nov 2019. imap seems to still work and i enclose dbtypes.txt I do not edit/adjust with the /usr/lib/cyrus/cyrus-db-types.txt file other than the dist upgrade to buster on release the issue in common then affects cyrus-* too apt upgrade output Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 5 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] y Setting up cyrus-common (3.0.8-6+deb10u1) ... Creating/updating cyrus user account... The user `cyrus' is already a member of `sasl'. /usr/lib/cyrus/bin/upgrade-db: Unknown type of DB: BACKUP dpkg: error processing package cyrus-common (--configure): installed cyrus-common package post-installation script subprocess returned error exit status 1 cat /usr/lib/cyrus/cyrus-db-types.txt ANNOTATION twoskip BACKUP twoskip CONVERSATIONS skiplist DBENGINE BerkeleyDB5.3 DUPLICATE twoskip MBOX twoskip PTS twoskip QUOTA quotalegacy SEARCH_INDEXED twoskip SEEN twoskip SORTCACHE twoskip STATUSCACHE twoskip SUBS flat TLS twoskip USERDENY flat ZONEINFO twoskip dpkg: dependency problems prevent configuration of cyrus-clients: cyrus-clients depends on cyrus-common (>= 3.0.8); however: Package cyrus-common is not configured yet. dpkg: error processing package cyrus-clients (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of cyrus-admin: cyrus-admin depends on cyrus-common; however: Package cyrus-common is not configured yet. dpkg: error processing package cyrus-admin (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of cyrus-imapd: cyrus-imapd depends on cyrus-common (= 3.0.8-6+deb10u1); however: Package cyrus-common is not configured yet. dpkg: error processing package cyrus-imapd (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of cyrus-nntpd: cyrus-nntpd depends on cyrus-common (= 3.0.8-6+deb10u1); however: Package cyrus-common is not configured yet. dpkg: error processing package cyrus-nntpd (--configure): dependency problems - leaving unconfigured Processing triggers for libc-bin (2.28-10) ... Errors were encountered while processing: cyrus-common cyrus-clients cyrus-admin cyrus-imapd cyrus-nntpd needrestart is being skipped since dpkg has failed s j west