diff --git a/config.toml b/config.toml
index cfefacb..9dbed4e 100644
--- a/config.toml
+++ b/config.toml
@@ -16,7 +16,7 @@ disableKinds = ["taxonomy", "term"]
 	description = "My personal IndieWeb site. I write about and develop software to promote user autonomy. Topics include accessibility, security, privacy, and software freedom."
 	src = "https://sr.ht/~seirdy/seirdy.one/"
 	canonicalBaseURL = "https://seirdy.one" # I have mirrors with different baseURLs
-	webmentionEndpoint = "https://seirdy.one/webmentions/receive"
+	webmentionEndpoint = "https://collector.seirdy.one/webmentions/receive"
 	logUrlPrefix = "https://git.sr.ht/~seirdy/seirdy.one/log/master/item/"
 	copyright = "Copyright © 2023 Rohan “Seirdy” Kumar"
 	dark = "auto"
diff --git a/content/meta/csp-bug-reproduction.md b/content/meta/csp-bug-reproduction.md
index d6c0cc0..f9515cf 100644
--- a/content/meta/csp-bug-reproduction.md
+++ b/content/meta/csp-bug-reproduction.md
@@ -15,7 +15,7 @@ What this page demonstrates
 This is a test page that demonstrates the following Content-Security-Policy (<abbr>CSP</abbr>):
 
 ```
-default-src 'none' 'report-sample';img-src 'self';style-src 'sha256-7cS8Hu9ov7dRhfioeeb9J8mtB9/iLLpVIZsMM+BJUcs=' 'report-sample';frame-ancestors 'none';base-uri 'none';form-action https://seirdy.one/webmentions/receive https://seirdy.one/search/;manifest-src 'self';media-src 'self';sandbox allow-same-origin allow-scripts allow-forms;report-uri https://collector.seirdy.one;connect-src https://collector.seirdy.one
+default-src 'none' 'report-sample';img-src 'self';style-src 'sha256-7cS8Hu9ov7dRhfioeeb9J8mtB9/iLLpVIZsMM+BJUcs=' 'report-sample';frame-ancestors 'none';base-uri 'none';form-action https://collector.seirdy.one/webmentions/receive https://seirdy.one/search/;manifest-src 'self';media-src 'self';sandbox allow-same-origin allow-scripts allow-forms;report-uri https://collector.seirdy.one;connect-src https://collector.seirdy.one
 ```
 
 Here's a multi-line version, to reduce horizontal scrolling:
@@ -26,7 +26,7 @@ img-src 'self';
 style-src 'sha256-HASH' 'report-sample';
 frame-ancestors 'none';
 base-uri 'none';
-form-action https://seirdy.one/webmentions/receive https://seirdy.one/search/;
+form-action https://collector.seirdy.one/webmentions/receive https://seirdy.one/search/;
 manifest-src 'self';
 media-src 'self';
 sandbox allow-same-origin allow-scripts allow-forms;
@@ -45,7 +45,7 @@ img-src 'self';
 style-src 'sha256-HASH';
 frame-ancestors 'none';
 base-uri 'none';
-form-action https://seirdy.one/webmentions/receive https://seirdy.one/search/;
+form-action https://collector.seirdy.one/webmentions/receive https://seirdy.one/search/;
 manifest-src 'self';
 upgrade-insecure-requests;
 sandbox allow-same-origin allow-forms
diff --git a/layouts/partials/webmentions/webmention-form.html b/layouts/partials/webmentions/webmention-form.html
index 629267d..82fedf4 100644
--- a/layouts/partials/webmentions/webmention-form.html
+++ b/layouts/partials/webmentions/webmention-form.html
@@ -2,7 +2,7 @@
 	<legend>Publish a response on your own website, and link back to this page's canonical location. Then share your link here to turn it into a Webmention.</legend>
 	<form
 		itemprop="potentialAction" itemscope="" itemtype="https://schema.org/CommentAction"
-		action="https://seirdy.one/webmentions/receive" method="post">
+		action="{{ .Site.Params.webmentionEndpoint }}" method="post">
 		<meta itemprop="actionStatus" content="PotentialActionStatus" />
 		{{ $canonicalRelPermalink := .RelPermalink | replaceRE "^/~seirdy/" "/" -}}
 		<input type="hidden" name="target" value="{{ .Site.Params.canonicalBaseURL }}{{ $canonicalRelPermalink }}" />
diff --git a/linter-configs/htmltest.yml b/linter-configs/htmltest.yml
index cec2840..03ee3a6 100644
--- a/linter-configs/htmltest.yml
+++ b/linter-configs/htmltest.yml
@@ -37,7 +37,7 @@ IgnoreURLs:
   - "https://archive.ph"
   - "https://archive.today"
   - "https://ogp.me/ns"
-  - "https://seirdy.one/webmentions/"
+  - "https://collector.seirdy.one/webmentions/"
   - "http://creativecommons.org/ns"
   - "https://seirdy.one/search/"
   # - "https://seirdy.one/.well-known/webfinger?resource=acct%3Aseirdy%40seirdy.one"
diff --git a/scripts/get-webmentions.sh b/scripts/get-webmentions.sh
index 44989f6..84524dd 100644
--- a/scripts/get-webmentions.sh
+++ b/scripts/get-webmentions.sh
@@ -9,8 +9,8 @@ set -e -u
 
 dirname="$(dirname "$0")"
 curl_wrapper="$dirname/curl-wrapper.sh"
-auth_url='https://seirdy.one/webmentions/authenticate/access-key'
-webmentions_url='https://seirdy.one/webmentions/manage/mentions?limit=9999&status=approved'
+auth_url='https://collector.seirdy.one/webmentions/authenticate/access-key'
+webmentions_url='https://collector.seirdy.one/webmentions/manage/mentions?limit=9999&status=approved'
 webmentions_file="$dirname/../data/webmentions.json"
 
 stale_after_minutes=90
diff --git a/static/webfinger.json b/static/webfinger.json
index 077a767..0c28ef5 100644
--- a/static/webfinger.json
+++ b/static/webfinger.json
@@ -49,7 +49,7 @@
 		},
 		{
 			"rel": "webmention",
-			"href": "https://seirdy.one/webmentions/receive"
+			"href": "https://collector.seirdy.one/webmentions/receive"
 		},
 		{
 			"rel": "http://webfinger.net/rel/profile-page",