diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..3c125a00
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*/**.yaml diff=sops
diff --git a/.sops.yaml b/.sops.yaml
index 850738e1..563a5fdb 100644
--- a/.sops.yaml
+++ b/.sops.yaml
@@ -9,6 +9,11 @@ keys:
     - 4B12EFA69166CA8C23FC47E49CD3A46248B660CA # vv01f
     - A4B0F5A80C2E2448A97BEC25BB829C4DECA6CCB9 # winzlieb
 
+  - &users
+    - A5EE826D645DBE35F9B0993358512AE87A69900F # astro
+    - 53B26AEDC08246715E15504B236B6291555E8401 # sandro
+    - 9580391316684474BFBD41EC3E8C55248C19AF2A # xyrill
+
   - &polygon-snowflake age12aukzah0pt2rck52hwn08kezyxueqz2f49ld7hpyuzmu847vavdqkunn5c # polygon
 
   # Generate AGE keys from SSH keys with:
@@ -287,6 +292,10 @@ creation_rules:
       - *mastodon
       - *polygon-snowflake
 
+  - path_regex: hosts/mastodon/accounts\.yaml$
+    key_groups:
+    - pgp: *users
+
   - path_regex: hosts/matemat/[^/]+\.yaml$
     key_groups:
     - pgp: *admins
diff --git a/hosts/mastodon/accounts.yaml b/hosts/mastodon/accounts.yaml
new file mode 100644
index 00000000..3e9de30a
--- /dev/null
+++ b/hosts/mastodon/accounts.yaml
@@ -0,0 +1,170 @@
+c3d2.social:
+    - mail@c3d2.de: ENC[AES256_GCM,data:PAGrpKb5z3lKcnawxXazxujHZ5euN073J6gisanmP54=,iv:7MWsji+Lz4PZmdY6ea5U9zJGt5S6bq3jtmbB8obb+2E=,tag:JdGjDjvAtHi6MAF9xfKheQ==,type:str]
+    - datenspuren@c3d2.de: ENC[AES256_GCM,data:ROUs+NYfw6NtYgK9Beyi5Ko+YQWMgEpSIuVuxLuL8i0=,iv:831CwlCdX3EBPBDsa4dqNQvTcHPnjk8d29oB1I934N4=,tag:8THvvODPH1xgxCQDLiHnSw==,type:str]
+    - pentaradio@c3d2.de: ENC[AES256_GCM,data:98tl/anod3NNAgkl6uxLv9pw90f0rzcE2Hv8Fiwh7lA=,iv:fJJhw5tbeGP9kx+YP33Fy7LwY06XGEeBPGZvsH+SOrk=,tag:5NgCtJNAxljT5WjYYGzUPg==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1dcpd6u4psq3hehjyjrt3s7kzmnvxd20vsc8urjcdv6anr5v7ky2sq9rhtt
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAzRDN5K1dKR2NFVEZ4eG43
+            Z2lTVmVldVhZQ0ZMT2NYYXZyaG9IajVCL1FZCnl0cUhyTjl2U1Vic3NFZ3duOURT
+            VE1JZnRjSVhMNi9MOEVRcEpSQysvREkKLS0tIFFpeTJoNjVlMGhNNUh3L0phR2xT
+            TUxaNUhjZE9hdHhYU2JTRGlZWklKUFUK4fezOun/3pbZieddD2Z/L4J4FVH4VNZS
+            A/TRAC9OWICrBzViQcL4BWCUjxa1ELMi5qyZrCMhQiFJyGu5YguvkA==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age12aukzah0pt2rck52hwn08kezyxueqz2f49ld7hpyuzmu847vavdqkunn5c
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB0ZWFuMkYvZXZRMXZxUHJl
+            NlRxRnNhdTFOSVBhb2paZzZQcGJ3djU0azA4CklzTHM3b3FXNmZIU0xJbkNXUzds
+            aFNOU3BoOW1Ydm94bzRMZ2k5S0JZMWsKLS0tIExjUVpFbUVaTFlneVFkRFNVcjcy
+            RGFwSkNGcVBnK3hzSHB4YWgxNFcyYTAKxLsP0ZEbcvgvGQOea621CKk0owHFdmUU
+            E46BOaxVH9TfZEf5ry2s4B2Kvzi7vvbDb2VZNpbNaXDprG4DXR/WKw==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2023-09-16T11:17:28Z"
+    mac: ENC[AES256_GCM,data:CIik+xYN/IsP7a3vx4RpsdkHA5NPw97aMQ7ceeLU/oGJqYiQOtphV4mTNUEFPcONOhquktDc4Dw0ZIjSWamnlplJv9pB9gRFHG7OxSHLg8CGct1KHqbjvEmfHOpHNVl/Wd1yUe8eVsAaS7qoOKh/1e/sG6ByEfK/LzimXlOShLM=,iv:V7/vUh98SZ2zVuI7aS9JAworen6NXIDqfLFqXX1HV58=,tag:ksQPi8MFQFSc65zMjrHgOA==,type:str]
+    pgp:
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
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+            7P5kd6xYOpNkRr8WHfylZuD6L+AQt4sTBprma+coETbtcw==
+            =HR7t
+            -----END PGP MESSAGE-----
+          fp: DD0998E6CDF294537FC604F991FA5E5BF9AA901C
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |
+            -----BEGIN PGP MESSAGE-----
+
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+            =lB3E
+            -----END PGP MESSAGE-----
+          fp: A5EE826D645DBE35F9B0993358512AE87A69900F
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |
+            -----BEGIN PGP MESSAGE-----
+
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+            -----END PGP MESSAGE-----
+          fp: 4F9F44A64CC2E438979329E1F122F05437696FCE
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |
+            -----BEGIN PGP MESSAGE-----
+
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+          fp: 91EBE87016391323642A6803B966009D57E69CC6
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
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+            -----END PGP MESSAGE-----
+          fp: 53B26AEDC08246715E15504B236B6291555E8401
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |
+            -----BEGIN PGP MESSAGE-----
+
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+            -----END PGP MESSAGE-----
+          fp: 4B12EFA69166CA8C23FC47E49CD3A46248B660CA
+        - created_at: "2023-09-16T10:59:36Z"
+          enc: |
+            -----BEGIN PGP MESSAGE-----
+
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+            =FOb8
+            -----END PGP MESSAGE-----
+          fp: A4B0F5A80C2E2448A97BEC25BB829C4DECA6CCB9
+    unencrypted_suffix: _unencrypted
+    version: 3.7.3