---
name: "krb.equiv"
section: "5"
platform: "linux"
package: "cyrus-common"
version: "3.10.2-1+deb13u2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/krb.equiv"
---

# krb.equiv(5)

Cyrus IMAP documentation Kerberos equivalences

## NAME

krb.equiv - Cyrus IMAP documentation

Kerberos equivalences

## DESCRIPTION

**krb.equiv** contains zero or more lines, each of which describes a mapping of a kerberos principal (*userid@host*) to a local user (*userid* or alias). Each line of the file consists of two fields, separated by at least one whitespace character; other blanks are ignored.  The first field is the kerberos principal name to remap, and the second is the name of the corresponding local user.

## EXAMPLES

Sample file contents:

```
tyq4@ANDY.CMU.EDU tyq4
tyq4@DEANNA.ORG tyq4
ty347@ECE.CMU.EDU tyq4
jj12@ANDY.CMU.EDU tick
tick@DEANNA.ORG tick
jy9o@ANDY.CMU.EDU jyager
jyager@CS.CMU.EDU jyager
```

## FILES

/etc/imapd.conf, \<configdirectory\>/krb.equiv

## SEE ALSO

*[imapd.conf(5)](/imapd.conf/5.md)*

## AUTHOR

The Cyrus Team, Nic Bernstein (Onlight)

## COPYRIGHT

1993–2025, The Cyrus Team