The Cyrus Software FAQ

This will hopefully grow to be a respository of commonly asked questions on the CyrusMailingLists. If you don't find what you're looking for here, you can also try the CyrusTroubleshooting page.

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Please try to create a new topic for each question, as opposed to including them all on one page, this will allow the answers to be directly referenced throughout the Wiki.

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• CyrusImapd Questions
  • Questions about features
    • What is Duplicate Delivery Supression / How does it work? (DuplicateDeliveryExplained)
  • Installation and setup trouble
    • I'm seeing errors about kssl.h and krb5.h when compiling Cyrus IMAPd on my Red Hat Linux server (CyrusRHKerberosIncludes)
    • I'm having problems detecting Berkley DB on my Red Hat Linux machine (CyrusRHBerkeleyDB)
    • Help! There must be an easier way to get all this going... (CyrusDistributions)
    • Cyrus delivers claims that the mailbox does not exist when it contains a '@' e.g, user@domain.tld (CyrusDeliverWithAt)
  • Common feature requests
    • How can I make CyrusSieve work with public shared folders? (GlobalSieve^?)
    • Does the CyrusMurder support High Availability configurations? (CyrusMurderHighAvailability)
    • Can I configure pop3d to log amount and size of messages fetched by user (PopStats)?
    • Can I have subfolders not appear under INBOX? (CyrusAltNameSpace)

• • Common operational questions
    • How do I view ACLs on a mailbox (HowToViewACLs)
    • Why is deliver.db so large? (WhyBigDeliverDb)
    • Why does ctl_cyrusdb -r take so long with Berkeley DB? (WhyBerkeleyRecoverySoLong)
    • What does the "unable to join environment" error mean? (BerkeleyUnableToJoin)
    • Why does Cyrus set the MAIL FROM address of the sender of vacation responses to '<>'? (CyrusVacationEnvelopeSender)
    • Is the "db3: x Lockers" log message harmful? (BerkeleyDbLockers)
    • Why can I not delete a mailbox as an admin user? (DeleteMailboxPermissions)
    • Why does reconstruct -m not work? (ReconstructMailboxes)
    • Can I use (insert shared file system here) to make a highly available Cyrus? (CyrusHighAvailSharedFilesystem)
      • Specifically with GPFS? (CyrusHighAvailGPFS)
    • Can I use MySQL^? or another SQL database as the primary mail store? (CyrusMailStoreInDatabase)
    • Why is mail being rejected with No Mailbox found due to MiXed CaSe incoming e-mail? (CyrusLMTPCaseSensitivity)
    • Why do POP3 connections take so long, but once the connection is established all is well? (POP3DevRandomIssue)
  • Common interoperability problems with Cyrus (CyrusInteroperability)
    • Why does Cyrus reject 8 bit characters in the headers of my messages? (WhyCyrusReject8Bit)
    • Why does Cyrus reject messages with "bare newlines" (WhyCyrusRejectBareNewline)
    • Why does Cyrus screw up messages sent by Eudora that have MIME attachments? (WhyCyrusEudoraAttachmentBorkage)
    • How do I get CyrusSieve to play nice with Exim? (CyrusSieveAndExim)
    • Why does mail delivery go slow or hang sometimes? (WhyMailDeliverySlow)

• CyrusSasl Questions
  • Why do CRAM-MD5 and DIGEST-MD5 not work with CyrusSaslauthd^?? (SaslauthdAndSharedSecretMechs)
  • Why does CyrusSasl store plaintext passwords in its databases? (WhyCyrusSaslPlaintextPasswords)
  • What is the difference between an Authorization ID and a Authentication ID? (AuthorizationAndAuthentication)
  • Why am I having a problem running dbconverter-2 to upgrade from SASLv1 to SASLv2? (SaslMigration)

• HowToReportBugs