Standard options
Note that a warning icon before an option indicates that it has not been previously set. Please review all new options carefully before saving your changes.

Options in italics are unavailable because of other options that are set.


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ACL Options
Apache SpamAssassin™ reject spam score threshold [?]
Dictionary attack protection [?]
Reject remote mail sent to the server's hostname [?]
Enable Apache SpamAssassin™ for secondary MX domains [?]
Ratelimit suspicious SMTP servers [?]
Apache SpamAssassin™: ratelimit spam score threshold [?]
Ratelimit incoming connections with only failed recipients [?]
Require HELO before MAIL [?]
Introduce a delay into the SMTP transaction for unknown hosts and messages detected as spam. [?]
Do not delay the SMTP connections for hosts in the Greylisting “Trusted Hosts” list
Do not delay the SMTP connections for hosts in the Greylisting “Common Mail Providers” list
Require remote (hostname/IP address) HELO [?]
Require remote (domain) HELO [?]
Require RFC-compliant HELO [?]
Allow DKIM verification for incoming messages [?]
Reject DKIM failures [?]
  Maximum message recipients (soft limit) (Minimum: 1; Maximum: 100) [?]
  Maximum message recipients before disconnect (hard limit) (Minimum: 1; Maximum: 100) [?]
Access Lists
Blacklisted SMTP IP addresses [?]
Edit
Sender verification bypass IP addresses [?]
Edit
Only-verify-recipient [?]
Edit
Trusted SMTP IP addresses [?]
Edit
Backup MX hosts [?]
Edit
Trusted mail users [?]
Edit
Blocked Domains [?]
Manage
Blocked Countries [?]
Manage
Domains and IPs
Send mail from the account’s IP address [?]
Use the reverse DNS entry for the mail HELO/EHLO if available [?]
Rebuild Reverse DNS Cache and Update Mail HELO [?]
Rebuild RDNS Cache
Reference /etc/mailhelo for custom outgoing SMTP HELO [?]
Reference /etc/mailips for custom IP on outgoing SMTP connections [?]
Filters
System Filter File [?]
Attachments: Filter messages with dangerous attachments
Apache SpamAssassin™: Global Subject Rewrite [?]
Apache SpamAssassin™: bounce spam score threshold [?]
Apache SpamAssassin™: X-Spam-Subject/Subject header prefix for spam emails [?]
Mail
Log sender rates in the exim mainlog. This can be helpful for tracking problems and/or spammers.
Sender Verification Callouts [?]
Smarthost support [?]
Autodiscovery SPF include hosts from the smarthost route list [?]
SPF include hosts for all domains on this system [?]
EXPERIMENTAL: Rewrite From: header to match actual sender [?]
Allow mail delivery if malware scanner fails [?]
Sender Verification [?]
Set SMTP Sender: headers [?]
Allow mail delivery if spam scanner fails [?]
Enable Sender Rewriting Scheme (SRS) Support [?]
Query Apache server status to determine the sender of email sent from processes running as nobody [?]
Trust X-PHP-Script headers to determine the sender of email sent from processes running as nobody [?]
  Hosts to which to advertise the SMTP DSN option [?]
  Hosts to which to advertise the SMTPUTF8 SMTP option [?]
Delivery behavior for suspended cPanel accounts [?]
RBLs
Manage Custom RBLs
Manage
RBL: bl.spamcop.net [?]
RBL: zen.spamhaus.org [?]
Exempt servers in the same netblock as this one from RBL checks [?]
Exempt servers in the Greylisting “Common Mail Providers” list from RBL checks [?]
Exempt servers in the Greylisting “Trusted Hosts” list from RBL checks [?]
Whitelist: IP addresses that should not be checked against RBLs [?]
Security
Allow weak SSL/TLS ciphers [?]
Require clients to connect with SSL or issue the STARTTLS command before they are allowed to authenticate with the server. [?]
Options for OpenSSL [?]
SSL/TLS Cipher Suite List
Apache SpamAssassin™ Options
Apache SpamAssassin™: Forced Global ON [?]
Apache SpamAssassin™: message size threshold to scan [?]
  •  KB
Scan outgoing messages for spam and reject based on the Apache SpamAssassin™ internal spam_score setting [?]
  Scan outgoing messages for spam and reject based on defined Apache SpamAssassin™ score (Minimum: 0.1; Maximum: 99.9) [?]
Do not forward mail to external recipients if it matches the Apache SpamAssassin™ internal spam_score setting [?]
  Do not forward mail to external recipients based on the defined Apache SpamAssassin™ score (Minimum: 0.1; Maximum: 99.9) [?]
Enable BAYES_POISON_DEFENSE Apache SpamAssassin™ ruleset [?]
Enable Passive OS Fingerprinting for Apache SpamAssassin™ [?]
Enable KAM Apache SpamAssassin™ ruleset [?]
Enable the Apache SpamAssassin™ ruleset that cPanel uses on cpanel.net [?]