| ao_server | fkey | false | true | ao_servers.server | cyrus_imapd_binds.cyrus_imapd_server | 1.81.10 | the pkey of the server that runs this Cyrus IMAPD instance |
| sieve_net_bind | fkey | true | true | net_binds.id | | 1.81.10 | the port the server binds to for sieve, if enabled |
| servername | domain_name | true | false | | | 1.81.10 | the servername for this server |
| certificate | fkey | false | false | ssl_certificates.pkey | | 1.81.10 | the certificate used for this server |
| allow_plaintext_auth | boolean | false | false | | | 1.81.10 | allows plaintext authentication (PLAIN/LOGIN) on non-TLS links |
| delete_duration | float | true | false | | | 1.81.10 | the duration after which delayed delete folders are removed |
| delete_duration_unit | string | true | false | | | 1.81.10 | the time unit for delete_duration, one of "d", "h", "m", "s" |
| expire_duration | float | false | false | | | 1.81.10 | prune the duplicate database of entries older than expire-duration |
| expire_duration_unit | string | true | false | | | 1.81.10 | the time unit for expire_duration, one of "d", "h", "m", "s" |
| expunge_duration | float | true | false | | | 1.81.10 | the duration after which delayed expunge messages are removed |
| expunge_duration_unit | string | true | false | | | 1.81.10 | the time unit for expunge_duration, one of "d", "h", "m", "s" |
