# grey_listing: Greylisting

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