| edit | category | purpose | allowed values | default |
|---|
| allow_updater | admin | Enable Automatic Updater | true, false | true |
| blacklist_gracetime | subscriber management | Number of minutes to allow sending a message after blacklisting a subscriber | integer | 5 |
| access_control_allow_origin | security | Block requests from an incorrect location | | http://'.$_SERVER['HTTP_HOST'] |
| access_control_allow_origins | security | Block requests from an incorrect location, but allow multiple domains | array of domains | undefined |
| add_email_throttle | security | Limit the use of the Add email in the send test functionality | Any number | 1 |
| admin_protocol | | enforce HTTPS on admin pages | http https | http |
| admin_wwwroot | system | fix the URL for the admin pages | a valid URL in the context of the system | not set |
| allow_attachments | composition | Change ALLOW_ATTACHMENTS from 0 to 1 to turn on attachment support. You'll note on the send a message page that there's an additional tab labeled Attach. Click on this tab while preparing your message to add attachments. The attachment tab will display the current (server-set) size limits and allow you to browse for new files to attach. Attachments on text format messages are accessed via a URL included at the bottom of the message. Since phpList 3.4.2 those links will open attachements directly from the browser. | 0 1 true false | 0 |
| allow_deletebounce | bounce management | Enable deletion of bounces | true false 0 1 | 1 |
| allow_import | subscriber management | Enable import functionality | true false 0 1 | true |
| allow_non_list_subscribe | subscription | Do not require choosing a list to subscribe to | true false 0 1 | 0 |
| always_add_usertrack | statistics | Always add the tracking image to campaigns | true false 0 1 | 1 |
| askforpassword | security | Ask subscribers to enter a password for their profile when they register | true false 0 1 | 0 |
| async_request_interval | system | create a delay between Ajax requests on a page | any number > 0 | 0 |
| attributevalue_reorder_limit | segmentation | disallow ordering the attribute values where there are more than this amount | number | 100 |
| aws_accesskeyid | aws | The access key for using Amazon SES | | no value |
| aws_posturl | aws | The URL for Amazon AWS | | https://email.us-east-1.amazonaws.com/ |
| aws_secretkey | aws | Secret key for sending with Amazon SES | string | no value |
| blacklist_email_on_bounce | bounce management | Add an address to the blacklist when it has bounced too many times | Any number | 5 |
| block_pasted_clicktracklinks | composition | Detect clicktrack links in the content and block sending the campaign if found | true false 0 1 | 0 |
| check_referrer | security | Verify that the referring web page is allowed | true false 0 1 | 1 |
| check_sessionip | security | Verify the session of the logged in administrator | true false 0 1 | 1 |
| clicktrack | statistics | Enable tracking of clicks in campaigns via URL rewriting | true false 0 1 | 1 |
| clicktrack_linkmap | statistics | Define a mod-rewrite mapping of clicked links | A sensible string | no value |
| clicktrack_showdetail | statistics | Show more detail in the statistics when tracking clicks | true false 0 1 | 0 |
| date_end_year | segmentation | Set the end year for any date dropdown | any sensible year | 0 |
| date_start_year | segmentation | Set the start year for any date dropdown | Any recent year | 1900 |
| db_translation | i18n | No idea | true false | 0 |
| default_messageage | queue processing | Amount of time to allow sending a campaign, until it is considered too old | Any sensible number | 604800 |
| default_mimetype | composition | Fallback for the mimetype when it could not be determined | a sensible mimetype | application/octet-stream |
| devsite | system | Run phpList in development mode | true false | false |
| domain_auto_throttle | queue processing | Auto throttle sending to domains | true false 0 1 | 0 |
| domain_batch_period | queue processing | Time frame for domain throttling | Any number larger than 1 | 120 |
| domain_batch_size | queue processing | Amount of mails to allow being sent to the same domain in the indicated time | Any number larger than 0 | 1 |
| emailtextcredits | rendering | Use text credits for phpList in emails, instead of an image | true false 0 1 | 0 |
| email_address_validation_level | subscriber management | A choice of level of validation of an email address | 0, 1, 2, 3, 4 | 3 |
| embedexternalimages | composition | pull external images and embed them in campaigns | true false | false |
| embeduploadimages | rendering | Add uploaded images as embedded images when sending | true false 0 1 | 0 |
| empty_value_prefix | segmentation | Set a dropdown prefix which indicates no value | A short string | -- |
| encryption_algo | security | The encryption method to use when encrypting passwords | any algorithm accepted in your PHP system, see http://php.net/hash-algos | sha256 |
| encrypt_admin_passwords | security | Enable encryption of admin passwords | true false 0 1 | 1 |
| error404page | system | Allow a custom file-not-found page | filename in webroot | |
| export_excel | subscriber management | Format the export file to allow use in Microsoft Excel | true false | false |
| fckimages_dir | composition | Location for uploading images in the FCKeditor | Directory name in the "lists" directory | uploadimages |
| filesystem_attachments | composition | Allow adding attachments from the filesystem of the server phpList is running on | true false 0 1 | 0 |
| forward_alternative_content | social networking | Enter different content for the message that is forwarded | true false 0 1 | false |
| forward_email_count | social networking | Number of email addresses allowed to enter when forwarding a message | A number | 1 |
| forward_email_period | social networking | Limit the time period for reaching the maximum forwarding amount | A valid mySQL INTERVAL value | 1 day |
| forward_personal_note_size | social networking | Allow a personal note to be added when forwarding a message | A number (size in bytes) | 0 (disable) |
| hash_algo | security | The hash method to use when hashing passwords | any algorithm accepted in your PHP system, see http://php.net/hash-algos | sha256 |
| htmlemail_encoding | rendering | Set the transfer encoding for the HTML part of the generated messages | 8bit 7bit base64 quoted-printable | quoted-printable |
| import_filesize | subscriber management | Maximum size of an import file | Number (in MB) | 5 |
| keepforwarderattributes | social networking | Use the attributes of the subscriber for placeholder when forwarding a message | true false 0 1 | false |
| language_auto_update | i18n | Automatically update translations when the filesystem file is newer than the last update | true false | true |
| language_switch | admin | Allow changing language using a dropdown | true false 0 1 | 1 |
| mailqueue_autothrottle | queue processing | Automatically slow down sending the queue to spread the batch size across the batch period. | true false 1 0 | 0 |
| mailqueue_batch_period | queue processing | The time allowed for sending a batch. | Any number | 3600 |
| mailqueue_batch_size | queue processing | Batch processing | A number higher or equal to 0 | 0 |
| mailqueue_throttle | queue processing | Add a delay between messages to avoid overloading the server. | Any number, even fractions | 0 |
| manually_process_bounces | bounce management | Process the bounces in the admin interface | true false 0 1 | 1 |
| manually_process_queue | queue processing | Send queued messages from the admin interface. | true false 0 1 | 1 |
| maxlist | segmentation | The maximum number of lists a non-superuser administrator can have | Any positive number | 1 |
| max_avatar_size | subscriber management | Size of file for avatar | Any sensible number | 2000 |
| max_msg_pp | | Limit the amount of results listed in a page | positive number | 5 |
| max_processqueue_time | queue processing | Limit the time that can be used to process the queue | Any number | 99999 |
| max_process_message | queue processing | How many campaigns to process at the same time | Any positive number | 5 |
| max_sendprocesses | queue processing | Number of simultaneous sending processes allowed | 1 | 1 |
| max_user_pp | | Limit the amount of results listed in a page | positive number | 50 |
| merge_duplicates_delete_duplicate | subscriber management | When merging duplicate subscribers, remove the duplicate | true false | true |
| messagequeue_prepare | queue processing | Run the queue in a two-process way | true false 0 1 | 0 |
| message_sendstatus_inactivethreshold | queue processing | How soon to say a campaign being sent is "stalled" or not sending | Any number | 120 |
| message_sendstatus_sampletime | queue processing | The number of second to sample for a running campaign, to calculate the send speed | Any positive number | 600 |
| mimetypes_file | composition | File containing the Mime-types of binary files | string pointing to a file with mime-types | /etc/mime.types |
| nostatscollection | feedback | Switch off collection of statistics | 0 1 true false | false |
| notify_spam | anti-spam | Send an alert when spam was blocked | true false 0 1 | 1 |
| numattachments | composition | How many attachments to allow uploading in one go. | Any positive number | 1 |
| pagetextcredits | subscription | Use text credits for phpList on pages, instead of an image | true false 0 1 | 0 |
| password_change_timeframe | security | Time allowed for an admin to use the token to change their password. | A valid mySQL INTERVAL value | 1 day |
| phpmailer | system | Use phpMailer for sending | true false 0 1 | 1 |
| phpmailerblasthost | queue processing | SMTP server to use when sending the actual campaign | The FQDB of the server | PHPMAILERHOST |
| phpmailerblastport | queue processing | The port to use with PHPMAILERBLASTHOST | A working port | PHPMAILERPORT |
| phpmailerhost | system | SMTP host for sending messages | a valid FQDN of the SMTP host | no value |
| phpmailersubscribehost | system | SMTP host for sending messages that originate from the subscribe pages | a valid FQDN of the SMTP host | PHPMAILERHOST |
| phpmailertesthost | composition | The SMTP server to use when sending a test mail | the FQDN of the SMTP server | PHPMAILERHOST |
| phpmailer_secure | rendering | Set the Secure option in phpMailer | auto tls ssl false | auto |
| plugin_rootdirs | | Semi-colon separated list of directories to look for plugins. | Text, pointing to the directories. | no value |
| preferencepage_show_private_lists | segmentation | When a subscriber is viewing their preferences page, show all lists, not just the public ones | true false 0 1 | 0 |
| processcampaigns_parallel | queue processing | When processing multiple campaigns, send them in parallel | true, false, 0, 1 | false |
| public_protocol | system | Set the protocol for public pages. | http https | http |
| dataentry | | | | http |
| register | feedback | Let the phpList developers get a little bit of feedback on the use of phpList by retrieving the "Powered By" image from the phpList website | true false 0 1 | 1 |
| remote_url_refetch_timeout | system | How long to keep a remote URL in cache before fetching it again | Any number greater than 0 | 3600 (one hour) |
| resetstats_max | | disallow resetting statistics when this value has been reached | positive number | 10 |
| rfc_direct_delivery | subscription | Direct delivery of the request for confirmation | true false 0 1 | false |
| sendprocess_servername | queue processing | String to identify a send process | any text | localhost |
| sendtest_max | security | Limit the number of email addresses that can be used in the send test functionality | Any number | 999 |
| sendtest_throttle | security | Limit the use of the send test functionality | Any number | 1 |
| send_listadmin_copy | system | Send a notification to the owner of a list | true false 0 1 | false |
| send_one_testmail | composition | Send one test email when using the test functionality | true false 0 1 | 1 |
| show_list_ofall_subscribers | segmentation | On the list and members page, show a static "list" that has all subscribers in the system as members | true false 1 0 | false |
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