diff --git a/lexicons/com/atproto/admin/defs.json b/lexicons/com/atproto/admin/defs.json
index dcded1387d3..fae60e45cf7 100644
--- a/lexicons/com/atproto/admin/defs.json
+++ b/lexicons/com/atproto/admin/defs.json
@@ -557,6 +557,10 @@
         "subjectLine": {
           "type": "string",
           "description": "The subject line of the email sent to the user."
+        },
+        "comment": {
+          "type": "string",
+          "description": "Additional comment about the outgoing comm."
         }
       }
     }
diff --git a/lexicons/com/atproto/admin/sendEmail.json b/lexicons/com/atproto/admin/sendEmail.json
index 8234460d1ba..4c33dcd8951 100644
--- a/lexicons/com/atproto/admin/sendEmail.json
+++ b/lexicons/com/atproto/admin/sendEmail.json
@@ -14,7 +14,11 @@
             "recipientDid": { "type": "string", "format": "did" },
             "content": { "type": "string" },
             "subject": { "type": "string" },
-            "senderDid": { "type": "string", "format": "did" }
+            "senderDid": { "type": "string", "format": "did" },
+            "comment": {
+              "type": "string",
+              "description": "Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers"
+            }
           }
         }
       },
diff --git a/packages/api/src/client/lexicons.ts b/packages/api/src/client/lexicons.ts
index 51f3a9f5456..55de861d600 100644
--- a/packages/api/src/client/lexicons.ts
+++ b/packages/api/src/client/lexicons.ts
@@ -816,6 +816,10 @@ export const schemaDict = {
             type: 'string',
             description: 'The subject line of the email sent to the user.',
           },
+          comment: {
+            type: 'string',
+            description: 'Additional comment about the outgoing comm.',
+          },
         },
       },
     },
@@ -1467,6 +1471,11 @@ export const schemaDict = {
                 type: 'string',
                 format: 'did',
               },
+              comment: {
+                type: 'string',
+                description:
+                  "Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers",
+              },
             },
           },
         },
diff --git a/packages/api/src/client/types/com/atproto/admin/defs.ts b/packages/api/src/client/types/com/atproto/admin/defs.ts
index cd55a41b97c..42a587bcc62 100644
--- a/packages/api/src/client/types/com/atproto/admin/defs.ts
+++ b/packages/api/src/client/types/com/atproto/admin/defs.ts
@@ -674,6 +674,8 @@ export function validateModEventUnmute(v: unknown): ValidationResult {
 export interface ModEventEmail {
   /** The subject line of the email sent to the user. */
   subjectLine: string
+  /** Additional comment about the outgoing comm. */
+  comment?: string
   [k: string]: unknown
 }
 
diff --git a/packages/api/src/client/types/com/atproto/admin/sendEmail.ts b/packages/api/src/client/types/com/atproto/admin/sendEmail.ts
index 3357ef3f762..4768fc75ca5 100644
--- a/packages/api/src/client/types/com/atproto/admin/sendEmail.ts
+++ b/packages/api/src/client/types/com/atproto/admin/sendEmail.ts
@@ -14,6 +14,8 @@ export interface InputSchema {
   content: string
   subject?: string
   senderDid: string
+  /** Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers */
+  comment?: string
   [k: string]: unknown
 }
 
diff --git a/packages/bsky/src/lexicon/lexicons.ts b/packages/bsky/src/lexicon/lexicons.ts
index 51f3a9f5456..55de861d600 100644
--- a/packages/bsky/src/lexicon/lexicons.ts
+++ b/packages/bsky/src/lexicon/lexicons.ts
@@ -816,6 +816,10 @@ export const schemaDict = {
             type: 'string',
             description: 'The subject line of the email sent to the user.',
           },
+          comment: {
+            type: 'string',
+            description: 'Additional comment about the outgoing comm.',
+          },
         },
       },
     },
@@ -1467,6 +1471,11 @@ export const schemaDict = {
                 type: 'string',
                 format: 'did',
               },
+              comment: {
+                type: 'string',
+                description:
+                  "Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers",
+              },
             },
           },
         },
diff --git a/packages/bsky/src/lexicon/types/com/atproto/admin/defs.ts b/packages/bsky/src/lexicon/types/com/atproto/admin/defs.ts
index 27f080cbe31..33a4ccd1b9a 100644
--- a/packages/bsky/src/lexicon/types/com/atproto/admin/defs.ts
+++ b/packages/bsky/src/lexicon/types/com/atproto/admin/defs.ts
@@ -674,6 +674,8 @@ export function validateModEventUnmute(v: unknown): ValidationResult {
 export interface ModEventEmail {
   /** The subject line of the email sent to the user. */
   subjectLine: string
+  /** Additional comment about the outgoing comm. */
+  comment?: string
   [k: string]: unknown
 }
 
diff --git a/packages/bsky/src/lexicon/types/com/atproto/admin/sendEmail.ts b/packages/bsky/src/lexicon/types/com/atproto/admin/sendEmail.ts
index 91b53d9be81..f94cfb3a083 100644
--- a/packages/bsky/src/lexicon/types/com/atproto/admin/sendEmail.ts
+++ b/packages/bsky/src/lexicon/types/com/atproto/admin/sendEmail.ts
@@ -15,6 +15,8 @@ export interface InputSchema {
   content: string
   subject?: string
   senderDid: string
+  /** Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers */
+  comment?: string
   [k: string]: unknown
 }
 
diff --git a/packages/pds/src/api/com/atproto/admin/sendEmail.ts b/packages/pds/src/api/com/atproto/admin/sendEmail.ts
index 6be104e8a02..c632e87ce59 100644
--- a/packages/pds/src/api/com/atproto/admin/sendEmail.ts
+++ b/packages/pds/src/api/com/atproto/admin/sendEmail.ts
@@ -16,6 +16,7 @@ export default function (server: Server, ctx: AppContext) {
         recipientDid,
         senderDid,
         subject = 'Message from Bluesky moderator',
+        comment,
       } = input.body
       const account = await ctx.accountManager.getAccount(recipientDid)
       if (!account) {
@@ -44,6 +45,7 @@ export default function (server: Server, ctx: AppContext) {
           event: {
             $type: 'com.atproto.admin.defs#modEventEmail',
             subjectLine: subject,
+            comment,
           },
           subject: {
             $type: 'com.atproto.admin.defs#repoRef',
diff --git a/packages/pds/src/lexicon/lexicons.ts b/packages/pds/src/lexicon/lexicons.ts
index 51f3a9f5456..55de861d600 100644
--- a/packages/pds/src/lexicon/lexicons.ts
+++ b/packages/pds/src/lexicon/lexicons.ts
@@ -816,6 +816,10 @@ export const schemaDict = {
             type: 'string',
             description: 'The subject line of the email sent to the user.',
           },
+          comment: {
+            type: 'string',
+            description: 'Additional comment about the outgoing comm.',
+          },
         },
       },
     },
@@ -1467,6 +1471,11 @@ export const schemaDict = {
                 type: 'string',
                 format: 'did',
               },
+              comment: {
+                type: 'string',
+                description:
+                  "Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers",
+              },
             },
           },
         },
diff --git a/packages/pds/src/lexicon/types/com/atproto/admin/defs.ts b/packages/pds/src/lexicon/types/com/atproto/admin/defs.ts
index 27f080cbe31..33a4ccd1b9a 100644
--- a/packages/pds/src/lexicon/types/com/atproto/admin/defs.ts
+++ b/packages/pds/src/lexicon/types/com/atproto/admin/defs.ts
@@ -674,6 +674,8 @@ export function validateModEventUnmute(v: unknown): ValidationResult {
 export interface ModEventEmail {
   /** The subject line of the email sent to the user. */
   subjectLine: string
+  /** Additional comment about the outgoing comm. */
+  comment?: string
   [k: string]: unknown
 }
 
diff --git a/packages/pds/src/lexicon/types/com/atproto/admin/sendEmail.ts b/packages/pds/src/lexicon/types/com/atproto/admin/sendEmail.ts
index 91b53d9be81..f94cfb3a083 100644
--- a/packages/pds/src/lexicon/types/com/atproto/admin/sendEmail.ts
+++ b/packages/pds/src/lexicon/types/com/atproto/admin/sendEmail.ts
@@ -15,6 +15,8 @@ export interface InputSchema {
   content: string
   subject?: string
   senderDid: string
+  /** Additional comment by the sender that won't be used in the email itself but helpful to provide more context for moderators/reviewers */
+  comment?: string
   [k: string]: unknown
 }