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Advice and Troubleshooting

  • Exim will not start: "error while loading shared libraries: libperl.so: cannot open shared object file: No such file or directory"
  • SRS doesn't rewrite the Return-Path header when using a smarthost in v108
  • Unable to log into webmail: A fatal error or timeout occurred while processing this directive: [Banner: plugin not found]
  • Unable to log into Webmail on any account after installing Imunify360.
  • Exim error: a TLS session is required, but the server did not offer TLS support
  • RBL Failure: error open resolver https://www.spamhaus.org/returnc/pub/x.x.x.x
  • Identifying domains that have had their email shadow or passwd files modified
  • Current version kmod-lve api (10005) doesn't support flag --no-cpu-limit.
  • Default email address unable to receive emails
  • Email Deliverability timeout error
  • Unable to import large mbox file in cPanel's Webmail
  • CCS Calendar and Contacts Server failed to start ccs_init: ImportError: No module named core
  • Exim "refused: too many connections"
  • Error in /var/log/exim_mainlog - dropped: too many syntax or protocol errors (last command was ...
  • Horde Mailbox Export Fails With "PHP Fatal error: Allowed memory size of ### bytes exhausted"
  • How To Check The Email-Related DNS Records For All The Domains On The Server?
  • Deleting An Email Account Fails With "You do not have an email account named $EMAIL_ACCOUNT"
  • Error "table users has no column named has_invite" when using "Send login link to alternate email address." during email creation.
  • RoundCube fails to open; Dovecot reports i_stream_seekable_write_failed
  • Unable to login to Roundcube/Horde Webmail ( Hostname domain is the same as account domain )
  • Corrupted record in index cache file
  • cpanel-dovecot-solr.service failed java.util.zip.ZipException
  • Unable to send mail between two servers in the same IP range
  • Third party email client requires TLS (not STARTTLS) on port 587
  • Exim_rejectlog - $IP:$Port temporarily rejected connection in "connect" ACL: ratelimit database not available
  • Neither Roundcube nor Horde load for any email addresses on a cPanel account
  • "Access denied - Invalid HELO name (See RFC2821 4.1.1.1)" messages in exim_mainlog
  • error -27: failed to expand helo_data: System iconv failed
  • PHP mail() function is disabled through Apache.
  • SMTP error from remote mail server after pipelined DATA: 500 Error: bad syntax
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