diff --git a/runtime/history/SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1.json b/runtime/history/SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1.json
new file mode 100644
index 00000000..9a12053a
--- /dev/null
+++ b/runtime/history/SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1.json
@@ -0,0 +1,38 @@
+{
+  "schema_version": 1,
+  "channel": "homelab-runtime",
+  "command_id": "SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1",
+  "status": "OK",
+  "rc": 0,
+  "host": "pve01",
+  "mode": "change",
+  "component": "infra-mail-xenforo-codevipe-xenforo-postbox-canary-send-fixed",
+  "started_at_utc": "2026-09-15T21:02:56Z",
+  "finished_at_utc": "2026-09-15T21:02:59Z",
+  "reference_register_checked": true,
+  "reference_sha256": "5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66",
+  "error_register_checked": true,
+  "error_register_sha256": "3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0",
+  "command_sha256": "4a64673e6f211ac3b35b2afcd84e6372394c619447555bdc9b850e75277257b8",
+  "duplicate_failed_command_blocked": false,
+  "block_reason": null,
+  "execution_started": true,
+  "change_declared": true,
+  "result_contract_valid": true,
+  "result_contract_status": "OK",
+  "result_contract_error": null,
+  "command_rc": 0,
+  "changes_made": true,
+  "rollback_started": false,
+  "rollback_restored": null,
+  "mutation_outcome": "MUTATED",
+  "sanitized": true,
+  "secrets_included": false,
+  "private_addresses_included": false,
+  "raw_evidence_retained_locally": true,
+  "raw_evidence_sha256": "4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d",
+  "sanitized_output_sha256": "4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d",
+  "output_truncated_in_json": false,
+  "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
+  "output": "MAIL400_BEGIN\nMAIL400_SCOPE=MAIL_ONLY_CODEVIPE_XENFORO_POSTBOX_CANARY_SEND_FIXED\nMAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484\nMAIL400_MAX_SEND_ATTEMPTS=1\nMAIL400_BACKUP_DR_MUTATIONS=0\nMAIL400_VM160_STATE=COMPLETE\nMAIL400_GUEST_EXITCODE=0\nMAIL400_GUEST_STATE=OK\nMAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484\nMAIL400_EXECUTION_IDENTITY=xfp_codevipe\nMAIL400_EXECUTION_MODE=ROOT_CREATED_TMPFS_PHP_FILE_EXECUTED_BY_XFP_CODEVIPE\nMAIL400_TMPFS_SCRIPT=true\nMAIL400_LINT_RC=0\nMAIL400_POOL_SHA256=70317b6bc1f4a35c8d419f130ab4be22664f57f88633059177911b576aae3e3e\nMAIL400_POOL_SENDMAIL_PATH=/usr/local/sbin/codevipe-sendmail -t -i\nMAIL400_WRAPPER_SHA256=e50ba5dcf4ac7a905ed1e6b1cc7c301a61318f9fe73976eeda3dd21047f39958\nMAIL400_GLOBAL_MSMTP_UNCHANGED=true\nMAIL400_GLOBAL_SENDMAIL_UNCHANGED=true\nMAIL400_CUTOVER_ROLLBACK_SNAPSHOT_PRESENT=true\nMAIL400_MARKER=CODEVIPE-260915-XF400\nMAIL400_SUBJECT=[CodeVipe] XenForo Postbox canary CODEVIPE-260915-XF400\nMAIL400_RECIPIENT=aleisaev@yandex.ru\nMAIL400_PHP_PROCESS_RC=0\nMAIL400_PHP_STDERR_CLASS=EMPTY\nMAIL400_PHP_RESULT_STATE=SEND_OK\nMAIL400_PHP_RETURN_TYPE=object\nMAIL400_FROM_OPTION=noreply@codevipe.ru\nMAIL400_SENDER_NAME_OPTION=CodeVipe\nMAIL400_TRANSPORT_OPTION=sendmail\nMAIL400_XENFORO_DKIM_ENABLED=false\nMAIL400_SENDMAIL_PATH_MATCH=true\nMAIL400_SEND_ATTEMPTS=1\nMAIL400_SMTP_SUBMISSION_OUTCOME=ACCEPTED_BY_TRANSPORT\nMAIL400_DNS_MUTATIONS=0\nMAIL400_YANDEX_CLOUD_MUTATIONS=0\nMAIL400_BEGET_MUTATIONS=0\nMAIL400_BACKUP_DR_MUTATIONS=0\nMAIL400_RESULT_JSON={\"changes_made\":true,\"rollback_restored\":null,\"rollback_started\":false,\"send_called\":true,\"send_success\":true,\"status\":\"OK\"}\nMAIL400_DECISION=XENFORO_TRANSPORT_ACCEPTED_AWAIT_MAILBOX_HEADERS\nMAIL400_END\nHOMELAB_RESULT_CONTRACT={\"version\":1,\"command_id\":\"SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1\",\"status\":\"OK\",\"changes_made\":true,\"rollback_started\":false,\"rollback_restored\":null}\n"
+}
diff --git a/runtime/history/SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1.txt b/runtime/history/SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1.txt
new file mode 100644
index 00000000..84cbc436
--- /dev/null
+++ b/runtime/history/SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1.txt
@@ -0,0 +1,73 @@
+CHAT_OUTPUT_BEGIN
+COMMAND_ID=SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1
+STATUS=OK
+RC=0
+HOST=pve01
+MODE=change
+COMPONENT=infra-mail-xenforo-codevipe-xenforo-postbox-canary-send-fixed
+REFERENCE_REGISTER_CHECK=OK
+REFERENCE_SHA256=5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66
+ERROR_REGISTER_CHECK=OK
+ERROR_REGISTER_SHA256=3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0
+COMMAND_SHA256=4a64673e6f211ac3b35b2afcd84e6372394c619447555bdc9b850e75277257b8
+DUPLICATE_FAILED_COMMAND_BLOCKED=false
+EXECUTION_STARTED=true
+CHANGE_DECLARED=true
+RESULT_CONTRACT_VALID=true
+RESULT_CONTRACT_STATUS=OK
+RESULT_CONTRACT_ERROR=NONE
+COMMAND_RC=0
+CHANGES_MADE=true
+ROLLBACK_STARTED=false
+ROLLBACK_RESTORED=null
+MUTATION_OUTCOME=MUTATED
+SANITIZED=yes
+SECRETS_INCLUDED=no
+PRIVATE_ADDRESSES_INCLUDED=no
+RAW_EVIDENCE_SHA256=4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d
+SANITIZED_OUTPUT_SHA256=4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d
+OUTPUT_BEGIN
+MAIL400_BEGIN
+MAIL400_SCOPE=MAIL_ONLY_CODEVIPE_XENFORO_POSTBOX_CANARY_SEND_FIXED
+MAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484
+MAIL400_MAX_SEND_ATTEMPTS=1
+MAIL400_BACKUP_DR_MUTATIONS=0
+MAIL400_VM160_STATE=COMPLETE
+MAIL400_GUEST_EXITCODE=0
+MAIL400_GUEST_STATE=OK
+MAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484
+MAIL400_EXECUTION_IDENTITY=xfp_codevipe
+MAIL400_EXECUTION_MODE=ROOT_CREATED_TMPFS_PHP_FILE_EXECUTED_BY_XFP_CODEVIPE
+MAIL400_TMPFS_SCRIPT=true
+MAIL400_LINT_RC=0
+MAIL400_POOL_SHA256=70317b6bc1f4a35c8d419f130ab4be22664f57f88633059177911b576aae3e3e
+MAIL400_POOL_SENDMAIL_PATH=/usr/local/sbin/codevipe-sendmail -t -i
+MAIL400_WRAPPER_SHA256=e50ba5dcf4ac7a905ed1e6b1cc7c301a61318f9fe73976eeda3dd21047f39958
+MAIL400_GLOBAL_MSMTP_UNCHANGED=true
+MAIL400_GLOBAL_SENDMAIL_UNCHANGED=true
+MAIL400_CUTOVER_ROLLBACK_SNAPSHOT_PRESENT=true
+MAIL400_MARKER=CODEVIPE-260915-XF400
+MAIL400_SUBJECT=[CodeVipe] XenForo Postbox canary CODEVIPE-260915-XF400
+MAIL400_RECIPIENT=aleisaev@yandex.ru
+MAIL400_PHP_PROCESS_RC=0
+MAIL400_PHP_STDERR_CLASS=EMPTY
+MAIL400_PHP_RESULT_STATE=SEND_OK
+MAIL400_PHP_RETURN_TYPE=object
+MAIL400_FROM_OPTION=noreply@codevipe.ru
+MAIL400_SENDER_NAME_OPTION=CodeVipe
+MAIL400_TRANSPORT_OPTION=sendmail
+MAIL400_XENFORO_DKIM_ENABLED=false
+MAIL400_SENDMAIL_PATH_MATCH=true
+MAIL400_SEND_ATTEMPTS=1
+MAIL400_SMTP_SUBMISSION_OUTCOME=ACCEPTED_BY_TRANSPORT
+MAIL400_DNS_MUTATIONS=0
+MAIL400_YANDEX_CLOUD_MUTATIONS=0
+MAIL400_BEGET_MUTATIONS=0
+MAIL400_BACKUP_DR_MUTATIONS=0
+MAIL400_RESULT_JSON={"changes_made":true,"rollback_restored":null,"rollback_started":false,"send_called":true,"send_success":true,"status":"OK"}
+MAIL400_DECISION=XENFORO_TRANSPORT_ACCEPTED_AWAIT_MAILBOX_HEADERS
+MAIL400_END
+HOMELAB_RESULT_CONTRACT={"version":1,"command_id":"SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1","status":"OK","changes_made":true,"rollback_started":false,"rollback_restored":null}
+
+OUTPUT_END
+CHAT_OUTPUT_END
diff --git a/runtime/latest.json b/runtime/latest.json
index 8914fc54..9a12053a 100644
--- a/runtime/latest.json
+++ b/runtime/latest.json
@@ -1,38 +1,38 @@
 {
   "schema_version": 1,
   "channel": "homelab-runtime",
-  "command_id": "SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-CANARY-SEND-RCA-399R1",
+  "command_id": "SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1",
   "status": "OK",
   "rc": 0,
   "host": "pve01",
-  "mode": "read-only",
-  "component": "infra-mail-xenforo-codevipe-xenforo-canary-send-rca",
-  "started_at_utc": "2026-09-15T20:57:17Z",
-  "finished_at_utc": "2026-09-15T20:57:20Z",
+  "mode": "change",
+  "component": "infra-mail-xenforo-codevipe-xenforo-postbox-canary-send-fixed",
+  "started_at_utc": "2026-09-15T21:02:56Z",
+  "finished_at_utc": "2026-09-15T21:02:59Z",
   "reference_register_checked": true,
   "reference_sha256": "5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66",
   "error_register_checked": true,
   "error_register_sha256": "3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0",
-  "command_sha256": "102f7ae6c002aeb4c7222a8cb12b4276462c91cc2e16302edd206b84ee4da54e",
+  "command_sha256": "4a64673e6f211ac3b35b2afcd84e6372394c619447555bdc9b850e75277257b8",
   "duplicate_failed_command_blocked": false,
   "block_reason": null,
   "execution_started": true,
-  "change_declared": false,
+  "change_declared": true,
   "result_contract_valid": true,
-  "result_contract_status": null,
+  "result_contract_status": "OK",
   "result_contract_error": null,
   "command_rc": 0,
-  "changes_made": false,
+  "changes_made": true,
   "rollback_started": false,
   "rollback_restored": null,
-  "mutation_outcome": "NO_MUTATION",
+  "mutation_outcome": "MUTATED",
   "sanitized": true,
   "secrets_included": false,
   "private_addresses_included": false,
   "raw_evidence_retained_locally": true,
-  "raw_evidence_sha256": "748c95b7ce382dd077dac0c8cf8cdb12997a328ad951d1e3f4f2975c3982bbbd",
-  "sanitized_output_sha256": "748c95b7ce382dd077dac0c8cf8cdb12997a328ad951d1e3f4f2975c3982bbbd",
+  "raw_evidence_sha256": "4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d",
+  "sanitized_output_sha256": "4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d",
   "output_truncated_in_json": false,
   "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
-  "output": "MAIL399_BEGIN\nMAIL399_SCOPE=MAIL_ONLY_398_RCA_READ_ONLY\nMAIL399_SEND_ATTEMPTS=0\nMAIL399_BACKUP_DR_MUTATIONS=0\nMAIL399_VM160_STATE=COMPLETE\nMAIL399_GUEST_EXITCODE=0\nMAIL399_GUEST_STATE=OK\nMAIL399_ANCHOR_398_COMMIT=016b57618a19255b8a8eab7e1ee5178c024e8625\nMAIL399_POOL_SHA_MATCH=true\nMAIL399_WRAPPER_SHA_MATCH=true\nMAIL399_GLOBAL_MSMTP_SHA_MATCH=true\nMAIL399_GLOBAL_SENDMAIL_TARGET=/usr/bin/msmtp\nMAIL399_FPM_ACTIVE=true\nMAIL399_ROLLBACK_SNAPSHOT_PRESENT=true\nMAIL399_PROBE_CLI={\"rc\":0,\"stderr_class\":\"EMPTY\",\"stdout_ok\":true}\nMAIL399_PROBE_STDIN={\"rc\":1,\"stderr_class\":\"COULD_NOT_OPEN_INPUT_FILE\",\"stdout_ok\":false}\nMAIL399_PROBE_STDIN_WITH_SENDMAIL_PATH={\"rc\":1,\"stderr_class\":\"COULD_NOT_OPEN_INPUT_FILE\",\"stdout\":\"OTHER\"}\nMAIL399_PROBE_XF_NO_SEND={\"rc\":1,\"result\":{\"state\":\"BAD_JSON\"},\"stderr_class\":\"COULD_NOT_OPEN_INPUT_FILE\"}\nMAIL399_SEND_ATTEMPTS=0\nMAIL399_SMTP_AUTH_ATTEMPTS=0\nMAIL399_NETWORK_ATTEMPTS=0\nMAIL399_MUTATIONS=0\nMAIL399_DECISION=RCA_398_STDIN_EXECUTION_PATH_BROKEN\nMAIL399_END\nHOMELAB_RESULT_CONTRACT={\"version\":1,\"command_id\":\"SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-CANARY-SEND-RCA-399R1\",\"status\":\"OK\",\"changes_made\":false,\"rollback_started\":false,\"rollback_restored\":null}\n"
+  "output": "MAIL400_BEGIN\nMAIL400_SCOPE=MAIL_ONLY_CODEVIPE_XENFORO_POSTBOX_CANARY_SEND_FIXED\nMAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484\nMAIL400_MAX_SEND_ATTEMPTS=1\nMAIL400_BACKUP_DR_MUTATIONS=0\nMAIL400_VM160_STATE=COMPLETE\nMAIL400_GUEST_EXITCODE=0\nMAIL400_GUEST_STATE=OK\nMAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484\nMAIL400_EXECUTION_IDENTITY=xfp_codevipe\nMAIL400_EXECUTION_MODE=ROOT_CREATED_TMPFS_PHP_FILE_EXECUTED_BY_XFP_CODEVIPE\nMAIL400_TMPFS_SCRIPT=true\nMAIL400_LINT_RC=0\nMAIL400_POOL_SHA256=70317b6bc1f4a35c8d419f130ab4be22664f57f88633059177911b576aae3e3e\nMAIL400_POOL_SENDMAIL_PATH=/usr/local/sbin/codevipe-sendmail -t -i\nMAIL400_WRAPPER_SHA256=e50ba5dcf4ac7a905ed1e6b1cc7c301a61318f9fe73976eeda3dd21047f39958\nMAIL400_GLOBAL_MSMTP_UNCHANGED=true\nMAIL400_GLOBAL_SENDMAIL_UNCHANGED=true\nMAIL400_CUTOVER_ROLLBACK_SNAPSHOT_PRESENT=true\nMAIL400_MARKER=CODEVIPE-260915-XF400\nMAIL400_SUBJECT=[CodeVipe] XenForo Postbox canary CODEVIPE-260915-XF400\nMAIL400_RECIPIENT=aleisaev@yandex.ru\nMAIL400_PHP_PROCESS_RC=0\nMAIL400_PHP_STDERR_CLASS=EMPTY\nMAIL400_PHP_RESULT_STATE=SEND_OK\nMAIL400_PHP_RETURN_TYPE=object\nMAIL400_FROM_OPTION=noreply@codevipe.ru\nMAIL400_SENDER_NAME_OPTION=CodeVipe\nMAIL400_TRANSPORT_OPTION=sendmail\nMAIL400_XENFORO_DKIM_ENABLED=false\nMAIL400_SENDMAIL_PATH_MATCH=true\nMAIL400_SEND_ATTEMPTS=1\nMAIL400_SMTP_SUBMISSION_OUTCOME=ACCEPTED_BY_TRANSPORT\nMAIL400_DNS_MUTATIONS=0\nMAIL400_YANDEX_CLOUD_MUTATIONS=0\nMAIL400_BEGET_MUTATIONS=0\nMAIL400_BACKUP_DR_MUTATIONS=0\nMAIL400_RESULT_JSON={\"changes_made\":true,\"rollback_restored\":null,\"rollback_started\":false,\"send_called\":true,\"send_success\":true,\"status\":\"OK\"}\nMAIL400_DECISION=XENFORO_TRANSPORT_ACCEPTED_AWAIT_MAILBOX_HEADERS\nMAIL400_END\nHOMELAB_RESULT_CONTRACT={\"version\":1,\"command_id\":\"SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1\",\"status\":\"OK\",\"changes_made\":true,\"rollback_started\":false,\"rollback_restored\":null}\n"
 }
diff --git a/runtime/latest.txt b/runtime/latest.txt
index 8bfb26fb..84cbc436 100644
--- a/runtime/latest.txt
+++ b/runtime/latest.txt
@@ -1,57 +1,73 @@
 CHAT_OUTPUT_BEGIN
-COMMAND_ID=SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-CANARY-SEND-RCA-399R1
+COMMAND_ID=SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1
 STATUS=OK
 RC=0
 HOST=pve01
-MODE=read-only
-COMPONENT=infra-mail-xenforo-codevipe-xenforo-canary-send-rca
+MODE=change
+COMPONENT=infra-mail-xenforo-codevipe-xenforo-postbox-canary-send-fixed
 REFERENCE_REGISTER_CHECK=OK
 REFERENCE_SHA256=5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66
 ERROR_REGISTER_CHECK=OK
 ERROR_REGISTER_SHA256=3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0
-COMMAND_SHA256=102f7ae6c002aeb4c7222a8cb12b4276462c91cc2e16302edd206b84ee4da54e
+COMMAND_SHA256=4a64673e6f211ac3b35b2afcd84e6372394c619447555bdc9b850e75277257b8
 DUPLICATE_FAILED_COMMAND_BLOCKED=false
 EXECUTION_STARTED=true
-CHANGE_DECLARED=false
+CHANGE_DECLARED=true
 RESULT_CONTRACT_VALID=true
-RESULT_CONTRACT_STATUS=NOT_APPLICABLE
+RESULT_CONTRACT_STATUS=OK
 RESULT_CONTRACT_ERROR=NONE
 COMMAND_RC=0
-CHANGES_MADE=false
+CHANGES_MADE=true
 ROLLBACK_STARTED=false
 ROLLBACK_RESTORED=null
-MUTATION_OUTCOME=NO_MUTATION
+MUTATION_OUTCOME=MUTATED
 SANITIZED=yes
 SECRETS_INCLUDED=no
 PRIVATE_ADDRESSES_INCLUDED=no
-RAW_EVIDENCE_SHA256=748c95b7ce382dd077dac0c8cf8cdb12997a328ad951d1e3f4f2975c3982bbbd
-SANITIZED_OUTPUT_SHA256=748c95b7ce382dd077dac0c8cf8cdb12997a328ad951d1e3f4f2975c3982bbbd
+RAW_EVIDENCE_SHA256=4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d
+SANITIZED_OUTPUT_SHA256=4392b2ead61b962be9380e4ac88a455e70fd2be64da35434abb2203f54e6ee9d
 OUTPUT_BEGIN
-MAIL399_BEGIN
-MAIL399_SCOPE=MAIL_ONLY_398_RCA_READ_ONLY
-MAIL399_SEND_ATTEMPTS=0
-MAIL399_BACKUP_DR_MUTATIONS=0
-MAIL399_VM160_STATE=COMPLETE
-MAIL399_GUEST_EXITCODE=0
-MAIL399_GUEST_STATE=OK
-MAIL399_ANCHOR_398_COMMIT=016b57618a19255b8a8eab7e1ee5178c024e8625
-MAIL399_POOL_SHA_MATCH=true
-MAIL399_WRAPPER_SHA_MATCH=true
-MAIL399_GLOBAL_MSMTP_SHA_MATCH=true
-MAIL399_GLOBAL_SENDMAIL_TARGET=/usr/bin/msmtp
-MAIL399_FPM_ACTIVE=true
-MAIL399_ROLLBACK_SNAPSHOT_PRESENT=true
-MAIL399_PROBE_CLI={"rc":0,"stderr_class":"EMPTY","stdout_ok":true}
-MAIL399_PROBE_STDIN={"rc":1,"stderr_class":"COULD_NOT_OPEN_INPUT_FILE","stdout_ok":false}
-MAIL399_PROBE_STDIN_WITH_SENDMAIL_PATH={"rc":1,"stderr_class":"COULD_NOT_OPEN_INPUT_FILE","stdout":"OTHER"}
-MAIL399_PROBE_XF_NO_SEND={"rc":1,"result":{"state":"BAD_JSON"},"stderr_class":"COULD_NOT_OPEN_INPUT_FILE"}
-MAIL399_SEND_ATTEMPTS=0
-MAIL399_SMTP_AUTH_ATTEMPTS=0
-MAIL399_NETWORK_ATTEMPTS=0
-MAIL399_MUTATIONS=0
-MAIL399_DECISION=RCA_398_STDIN_EXECUTION_PATH_BROKEN
-MAIL399_END
-HOMELAB_RESULT_CONTRACT={"version":1,"command_id":"SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-CANARY-SEND-RCA-399R1","status":"OK","changes_made":false,"rollback_started":false,"rollback_restored":null}
+MAIL400_BEGIN
+MAIL400_SCOPE=MAIL_ONLY_CODEVIPE_XENFORO_POSTBOX_CANARY_SEND_FIXED
+MAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484
+MAIL400_MAX_SEND_ATTEMPTS=1
+MAIL400_BACKUP_DR_MUTATIONS=0
+MAIL400_VM160_STATE=COMPLETE
+MAIL400_GUEST_EXITCODE=0
+MAIL400_GUEST_STATE=OK
+MAIL400_ANCHOR_399_COMMIT=b08c9aed2036954dab741c975e83f506afe8a484
+MAIL400_EXECUTION_IDENTITY=xfp_codevipe
+MAIL400_EXECUTION_MODE=ROOT_CREATED_TMPFS_PHP_FILE_EXECUTED_BY_XFP_CODEVIPE
+MAIL400_TMPFS_SCRIPT=true
+MAIL400_LINT_RC=0
+MAIL400_POOL_SHA256=70317b6bc1f4a35c8d419f130ab4be22664f57f88633059177911b576aae3e3e
+MAIL400_POOL_SENDMAIL_PATH=/usr/local/sbin/codevipe-sendmail -t -i
+MAIL400_WRAPPER_SHA256=e50ba5dcf4ac7a905ed1e6b1cc7c301a61318f9fe73976eeda3dd21047f39958
+MAIL400_GLOBAL_MSMTP_UNCHANGED=true
+MAIL400_GLOBAL_SENDMAIL_UNCHANGED=true
+MAIL400_CUTOVER_ROLLBACK_SNAPSHOT_PRESENT=true
+MAIL400_MARKER=CODEVIPE-260915-XF400
+MAIL400_SUBJECT=[CodeVipe] XenForo Postbox canary CODEVIPE-260915-XF400
+MAIL400_RECIPIENT=aleisaev@yandex.ru
+MAIL400_PHP_PROCESS_RC=0
+MAIL400_PHP_STDERR_CLASS=EMPTY
+MAIL400_PHP_RESULT_STATE=SEND_OK
+MAIL400_PHP_RETURN_TYPE=object
+MAIL400_FROM_OPTION=noreply@codevipe.ru
+MAIL400_SENDER_NAME_OPTION=CodeVipe
+MAIL400_TRANSPORT_OPTION=sendmail
+MAIL400_XENFORO_DKIM_ENABLED=false
+MAIL400_SENDMAIL_PATH_MATCH=true
+MAIL400_SEND_ATTEMPTS=1
+MAIL400_SMTP_SUBMISSION_OUTCOME=ACCEPTED_BY_TRANSPORT
+MAIL400_DNS_MUTATIONS=0
+MAIL400_YANDEX_CLOUD_MUTATIONS=0
+MAIL400_BEGET_MUTATIONS=0
+MAIL400_BACKUP_DR_MUTATIONS=0
+MAIL400_RESULT_JSON={"changes_made":true,"rollback_restored":null,"rollback_started":false,"send_called":true,"send_success":true,"status":"OK"}
+MAIL400_DECISION=XENFORO_TRANSPORT_ACCEPTED_AWAIT_MAILBOX_HEADERS
+MAIL400_END
+HOMELAB_RESULT_CONTRACT={"version":1,"command_id":"SUPPORT-260915-INFRA-MAIL-XENFORO-CODEVIPE-XENFORO-POSTBOX-CANARY-SEND-FIXED-400R1","status":"OK","changes_made":true,"rollback_started":false,"rollback_restored":null}
 
 OUTPUT_END
 CHAT_OUTPUT_END