---
name: "dmarc_update_public_suffix_list"
section: "1p"
platform: "linux"
package: "libmail-dmarc-perl"
version: "1.20240314-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/dmarc_update_public_suffix_list"
---

# dmarc\_update\_public\_suffix\_list(1p)

command line tool to download updated public suffix list

## NAME

dmarc\_update\_public\_suffix\_list - command line tool to download updated public suffix list

## SYNOPSIS

```
  dmarc_update_public_suffix_list [ --option=value ]
```

## DESCRIPTION

Downloads a new Public Suffix List to the location specified by /etc/mail-dmarc.ini

The PSL is maintained by the Mozilla Foundation. It is updated a few times per month, you are requested to download no more than once per day.

The URL of the file is https://publicsuffix.org/list/effective\_tld\_names.dat More details can be found at https://publicsuffix.org/

### Options

```
  dmarc_update_public_suffix_list [ --dryrun --help ]
    dryrun       - show what would be done without overwriting file
    random       - introduce a random delay to spread server load
                   intended for use when running from crontab
    config-file  - alternate config file path
    help         - print this syntax guide
```

## EXAMPLES

To check that a new file can be downloaded without error but not download the file:

```
  dmarc_update_public_suffix_list --dryrun
```

To download a new Public Suffix List to the location specified my mail-dmarc.ini

```
  dmarc_update_public_suffix_list
```

## AUTHORS

- •

  Matt Simerson \<msimerson@cpan.org\>

- •

  Davide Migliavacca \<shari@cpan.org\>

- •

  Marc Bradshaw \<marc@marcbradshaw.net\>