diff --git a/docsource/modules160-170.rst b/docsource/modules160-170.rst
index 2a3257aaeb74..40b63bc72d87 100644
--- a/docsource/modules160-170.rst
+++ b/docsource/modules160-170.rst
@@ -798,9 +798,9 @@ Module coverage 16.0 -> 17.0
 +---------------------------------------------------+----------------------+-------------------------------------------------+
 | sms                                               |                      |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
-| snailmail                                         |                      |                                                 |
+| snailmail                                         |Nothing to do         |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
-| snailmail_account                                 |                      |                                                 |
+| snailmail_account                                 |Nothing to do         |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
 | social_media                                      |Done                  |No DB layout changes.                            |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
diff --git a/openupgrade_scripts/scripts/snailmail/17.0.0.4/upgrade_analysis_work.txt b/openupgrade_scripts/scripts/snailmail/17.0.0.4/upgrade_analysis_work.txt
new file mode 100644
index 000000000000..d5f996c5d21e
--- /dev/null
+++ b/openupgrade_scripts/scripts/snailmail/17.0.0.4/upgrade_analysis_work.txt
@@ -0,0 +1,11 @@
+---Models in module 'snailmail'---
+obsolete model snailmail.confirm [abstract]
+---Fields in module 'snailmail'---
+snailmail    / mail.message             / message_type (False)          : selection_keys is now '['auto_comment', 'comment', 'email', 'email_outgoing', 'notification', 'sms', 'snailmail', 'user_notification']' ('['comment', 'email', 'notification', 'sms', 'snailmail', 'user_notification']')
+snailmail    / mail.notification        / failure_type (False)          : selection_keys is now '['mail_bounce', 'mail_email_invalid', 'mail_email_missing', 'mail_from_invalid', 'mail_from_missing', 'mail_smtp', 'sms_acc', 'sms_country_not_supported', 'sms_credit', 'sms_expired', 'sms_invalid_destination', 'sms_not_allowed', 'sms_not_delivered', 'sms_number_format', 'sms_number_missing', 'sms_registration_needed', 'sms_rejected', 'sms_server', 'sn_credit', 'sn_error', 'sn_fields', 'sn_format', 'sn_price', 'sn_trial', 'unknown']' ('['mail_email_invalid', 'mail_email_missing', 'mail_smtp', 'sms_acc', 'sms_credit', 'sms_number_format', 'sms_number_missing', 'sms_server', 'sn_credit', 'sn_error', 'sn_fields', 'sn_format', 'sn_price', 'sn_trial', 'unknown']')
+snailmail    / snailmail.letter         / error_code (selection)        : selection_keys is now '['ATTACHMENT_ERROR', 'CREDIT_ERROR', 'FORMAT_ERROR', 'MISSING_REQUIRED_FIELDS', 'NO_PRICE_AVAILABLE', 'TRIAL_ERROR', 'UNKNOWN_ERROR']' ('['CREDIT_ERROR', 'FORMAT_ERROR', 'MISSING_REQUIRED_FIELDS', 'NO_PRICE_AVAILABLE', 'TRIAL_ERROR', 'UNKNOWN_ERROR']')
+# NOTHING TO DO: no change
+
+---XML records in module 'snailmail'---
+DEL ir.ui.view: snailmail.snailmail_confirm_view
+# NOTHING TO DO: noupdate records
diff --git a/openupgrade_scripts/scripts/snailmail_account/17.0.0.1/upgrade_analysis_work.txt b/openupgrade_scripts/scripts/snailmail_account/17.0.0.1/upgrade_analysis_work.txt
new file mode 100644
index 000000000000..a90d03381344
--- /dev/null
+++ b/openupgrade_scripts/scripts/snailmail_account/17.0.0.1/upgrade_analysis_work.txt
@@ -0,0 +1,8 @@
+---Models in module 'snailmail_account'---
+obsolete model snailmail.confirm.invoice [transient]
+---Fields in module 'snailmail_account'---
+---XML records in module 'snailmail_account'---
+DEL ir.model.access: snailmail_account.access_snailmail_confirm_invoice
+NEW ir.ui.view: snailmail_account.account_move_send_inherit_snailmail
+DEL ir.ui.view: snailmail_account.account_invoice_send_inherit_account_wizard_form
+# NOTHING TO DO: noupdate records