All config file options

Constants and variables

#	edit	category	type	↑ purpose	allowed values	default
1	merge_duplicates_delete_duplicate	subscriber management	constant	When merging duplicate subscribers, remove the duplicate	true false	true
2	check_for_host	subscriber management	variable	Verify that the HOST part of an email address is a deliverable domain	true false 0 1	0
3	export_mimetype	subscriber management	variable	The mime-type sent to the browser for the export file	a mime-type	application/csv
4	userspage_max	subscriber management	constant	Suppress the listing of subscribers when there are more than this value	Number	1000
5	max_avatar_size	subscriber management	constant	Size of file for avatar	Any sensible number	2000
6	blacklist_gracetime	subscriber management	constant	Number of minutes to allow sending a message after blacklisting a subscriber	integer	5
7	import_filesize	subscriber management	constant	Maximum size of an import file	Number (in MB)	5
8	bounce_unsubscribe_threshold	subscriber management	variable	How many consecutive bounces to consider before marking a subscriber unconfirmed	Integer	5
9	export_excel	subscriber management	constant	Format the export file to allow use in Microsoft Excel	true false	false
10	allow_import	subscriber management	constant	Enable import functionality	true false 0 1	true
11	unblacklist_in_profile	subscriber management	constant	Add a link to remove a subscriber from the blacklist in their profile	true false 0 1	0
12	email_address_validation_level	subscriber management	constant	A choice of level of validation of an email address	0, 1, 2, 3, 4	3