[incubator-ponymail-site] 02/02: Add list import warning

[se...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

sebb pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/incubator-ponymail-site.git

commit 41866c0b6c9084cf5d74128d13ccf2e218e6e7bb
Author: Sebb <se...@apache.org>
AuthorDate: Wed Jun 17 11:33:17 2020 +0100

    Add list import warning
---
 source/markdown/docs/IMPORTING.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/markdown/docs/IMPORTING.md b/source/markdown/docs/IMPORTING.md
index 465cd28..a54de39 100644
--- a/source/markdown/docs/IMPORTING.md
+++ b/source/markdown/docs/IMPORTING.md
@@ -11,6 +11,12 @@ emails start flowing through it, you'll use the importer to import older emails.
 
 ## Importing from mod_mbox
 
+### Warning ###
+
+Pony Mail relies on the mail headers to determine the correct list name for each email.
+
+If in any doubt, import a single list at a time and use the --lid flag to specify the correct list name.
+
 ### Importing a single domain
 Provided you have the main mod_mbox page at https://your.tld/mod_mbox/ and your (sub)domain resources at
 https://your.tld/mod_mbox/$list-yourdomain/, you can import all lists from that domain using: