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Advice and Troubleshooting

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  • SQLITE_CORRUPT (database disk image is malformed)
  • Backup MX Email Bypasses Spam Filters
  • Outgoing emails are going to spam folder due to SPF softfail.
  • NexusCore emails /usr/local/nexuscore/utils/create_logs: Permission denied
  • Webmail uploads fail after account was moved to a new partition
  • Email error: "Remote host closed connection in response to initial connection"
  • Mailman fails to start with "Site list is missing" error
  • SMTP data timeout (message abandoned)
  • All email accounts under one or more cPanel accounts are unable to log in
  • Local email delivery to an account fails with "LMTP connection closed after end of data" error
  • The IP you're using to send mail is not authorized to send email directly to our servers.
  • RoundCube Databases are not generated when accessing Webmail
  • Initial Troubleshooting for Exim Error: 535 Incorrect authentication data
  • 550-Please turn on SMTP Authentication in your mail client
  • Webmail loading Slowly corrupted Dovecot Indexes
  • SMTP bounce message/error "550 Access denied"
  • Email pipe.php Error: Use of uninitialized value $phpconf_mtime in numeric lt (<) at /var/cpanel/ea4/ea_php_cli.pm
  • Searching in Webmail Returns: error in IMAP command uid searc: unknown argument
  • Roundcube Fails to Send Mail with 250 Error
  • SPF must allow google servers to send mail on behalf of your domain
  • Solr Is Killed By Its OutOfMemory Shutdown Hook
  • Roundcube Email Address Autocomplete Times Out
  • Changes in Exim Configuration Manager Advanced Editor getting reverted
  • Email Disk Usage is Incorrect
  • The cPanel interface reports a greater value than "du" for the space used by an email account
  • Could not open archive mbox dir for MAILING_LIST: No such file or directory at /usr/local/cpanel/Cpanel/Mailman/DiskUsage.pm line 150.
  • SMTP error from remote mail server after end of data: 550 Message blocked.
  • New or transferred account unable to receive mail: Rejected relay attempt | 550 Please turn on SMTP Authentication | $HOST is not permitted to relay through this server without authentication
  • Policy server HTTP error
  • Exim shows error "remote host address is the local host" when processing mail
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