Using grey_listing utility, you can manage the Mail Greylisting service which provides smart spam protecting mechanism.

This utility performs the following tasks:

  • enabling/disabling greylisting service on the server and particular domains
  • setting up/retrieving server-wide greylisting configuration:
    • allowed/prohibited custom user configurations of greylisting
    • enabled/disabled penalties
    • grey, expiration and/or penalty intervals
    • black/white list of mail addresses (defined by patterns) and domains
  • setting up/retrieving status of greylisting service on domain
  • setting up/retrieving mail user’s black/white lists of mail addresses (defined by patterns)

Usage 

grey_listing <command> [mail-address|domain-name] [
<option_1> [<param>]
[<option_2> [<param>]]
... [<option_N> [<param>]]

Example

The following command enables greylisting service on the server, and sets it up so that custom mailname-level configurations are applied; penalties are enabled; grey interval is 8 minutes, expire interval is 40 days, and penalty interval is 5 minutes; domains example.com and sample.net are in the server white list, and all e-mail addresses containing “instant” are in black list:

plesk bin grey_listing --update-server -status on -personal-conf true -penalty-status true -grey-interval 8 -expire-interval 57600 -penalty-interval 5 -domains-whitelist add:example.com,sample.net -blacklist add:*instant*@*

Commands

Command Parameter Description Example
--update-mailname or -um <mail@domain> Updates the greylisting configuration for a specified mail user.

To add all mail addresses registered on the domain ietf.org to white list of mail name johndoe@example.com:

plesk bin grey_listing -um johndoe@example.com -whitelist add:*@ietf.org

--update-domain or -ud <domain> Updates the greylisting configuration for a specified domain.

To turn off greylisting service on domain example.com:

plesk bin grey_listing -ud example.com -status off

--update-server or -u   Updates server-wide greylisting settings.

To enable the greylisting service on server and allow applying custom configurations:

plesk bin grey_listing --update-server -status on -personal-conf true

--info-mailname or -im <mail@domain> Retrieves greylisting settings of the specified mail user.

To retrieve greylisting configuration of the mail name johndoe@example.com:

plesk bin grey_listing --info-mailname johndoe@example.com

--info-domain or -id <domain> Retrieves greylisting settings of the specified domain.

To retrieve status of greylisting service on domain sample.net:

plesk bin grey_listing --info-domain sample.net

--info-server or -i   Retrieves server-wide greylisting settings.

plesk bin grey_listing --info-server

--help or -h   Displays help on the utility usage.

plesk bin grey_listing -h

Options

Option Parameter Description Example
-status on|off

Enables/Disables greylisting service.

Used with the --update-domain and --update-server commands.

To disable greylisting service for domain example.com:

plesk bin grey_listing --update-domain example.com -status off

-personal-conf true|false

Allows/Prohibits applying mail user level configurations of greylisting.

Used only with the --update-server command.

To enable the greylisting service on server and allow applying custom configurations:

plesk bin grey_listing --update-server -status on -personal-conf true

-grey-interval <number>

Specifies grey interval (in minutes) - a period of time that a sender should wait for before retrying sending the mail.

Default grey interval is 5 minutes.

Used only with the --update-server command.

To change the server-wide greylisting settings so that penalties are enabled, and grey interval is 8 minutes, expire interval is 40 days, and penalty interval is 5 minutes:

plesk bin grey_listing --update-server -grey-interval 8 -expire-interval 57600 -penalty-interval 5 -penalty-status true

-expire-interval <number>

Specifies expiration interval (in minutes) - a period of time after which a record in grey list expires.

Default expiration interval is 36 days.

Used only with the --update-server command.

  
-penalty-interval <number>

Specifies penalty interval (in minutes) - a period of time added to the grey interval in case a sender retried sending mail before the grey interval finished.

Default penalty interval is 2 minutes.

Used only with --update-server command.

  
-penalty-status true|false

Enables/Disables penalties.

Used only with the --update-server command.

To disable greylisting penalties on the server:

plesk bin grey_listing --update-server -penalty-status false

-blacklist <add|del>:<pattern1>[,<pattern2>,[ ]]

Adds/Removes e-mail address(es) specified by pattern(s) to/from server’s or mail name’s black list (shared with Spamassassin).

Mail name’s black list overrides the server’s, but works only in case applying custom configurations is allowed (-personal-conf option value is true).

Used only with the --update-mailname or --update-server commands.

To add to to server-wide black list all mail addresses matching pattern *v1agra@example.com:

plesk bin grey_listing --update-server -blacklist add:*v1agra@example.com

-whitelist <add|del>:<pattern1>[,<pattern2>,[ ]]

Adds/Removes e-mail address(es) specified by pattern(s) to/from server’s or mail name’s white list (shared with Spamassassin).

Mail name’s white list overrides the server’s, but works only in case applying custom configurations is allowed (-personal-conf option value is true).

Used only with the --update-mailname or --update-server commands.

To add all mail addresses matching patterns *doe@* and *smith@* to white list of the mail name johndoe@sample.net:

plesk bin grey_listing --update-mailname johndoe@sample.net -whitelist add:*doe@*,*smith@*

-domains-whitelist <add|del>:<domain-name1>[,<domain-name2>,[ ]]

Adds/Removes domains to/from server-wide white list - a list of hosts whose mail is accepted without greylisting check-ups.

Used only with the --update-server command.

To add to the server white list domains example.com and sample.net:

plesk bin grey_listing --update-server -domains-whitelist add:example.com,sample.net

-domains-blacklist <add|del>:<domain-name1>[,<domain-name2>,[ ]]

Adds/Removes domains to/from server-wide black list - a list of hosts whose mail is rejected without greylisting check-ups.

Used only with the --update-server command.

To remove from the server black list domains example.com and sample.net:

plesk bin grey_listing --update-server -domains-blacklist del:example.com,sample.net

-service-node-ip <IP address> Manage greylisting settings on the specified service node.

To turn on the greylisting service for the domain example.com hosted on the service node with the IP 192.168.1.2:

plesk bin grey_listing -ud example.com -status on -service-node-ip 192.168.1.2