diff --git a/models/issues/comment.go b/models/issues/comment.go
index 25e74c01ea..5f16bbceb8 100644
--- a/models/issues/comment.go
+++ b/models/issues/comment.go
@@ -312,6 +312,16 @@ type Comment struct {
 	ReviewID    int64   `xorm:"index"`
 	Invalidated bool
 
+	// Store IP and UserAgent that will be temporarily stored for
+	// life of the struct so that it could potentially be used
+	// for sending to akismet or other spam detection services.
+	UserIP    string `xorm:"-"`
+	UserAgent string `xorm:"-"`
+
+	// Spam services will return a risk level. Could be used in
+	// the future to have a threshold for preventing sending emails.
+	RiskLevel int `xorm:"-"`
+
 	// Reference an issue or pull from another comment, issue or PR
 	// All information is about the origin of the reference
 	RefRepoID    int64                 `xorm:"index"` // Repo where the referencing
diff --git a/models/issues/issue.go b/models/issues/issue.go
index 655cdebdfc..3797092287 100644
--- a/models/issues/issue.go
+++ b/models/issues/issue.go
@@ -113,6 +113,16 @@ type Issue struct {
 	TotalTrackedTime    int64                    `xorm:"-"`
 	Assignees           []*user_model.User       `xorm:"-"`
 
+	// Store IP and UserAgent that will be temporarily stored for
+	// life of the struct so that it could potentially be used
+	// for sending to akismet or other spam detection services.
+	UserIP    string `xorm:"-"`
+	UserAgent string `xorm:"-"`
+
+	// Spam services will return a risk level. Could be used in
+	// the future to have a threshold for preventing sending emails.
+	RiskLevel int `xorm:"-"`
+
 	// IsLocked limits commenting abilities to users on an issue
 	// with write access
 	IsLocked bool `xorm:"NOT NULL DEFAULT false"`
diff --git a/models/issues/pull.go b/models/issues/pull.go
index c07044f301..f369b60669 100644
--- a/models/issues/pull.go
+++ b/models/issues/pull.go
@@ -143,6 +143,16 @@ type PullRequest struct {
 	MergeBase           string `xorm:"VARCHAR(64)"`
 	AllowMaintainerEdit bool   `xorm:"NOT NULL DEFAULT false"`
 
+	// Store IP and UserAgent that will be temporarily stored for
+	// life of the struct so that it could potentially be used
+	// for sending to akismet or other spam detection services.
+	UserIP    string `xorm:"-"`
+	UserAgent string `xorm:"-"`
+
+	// Spam services will return a risk level. Could be used in
+	// the future to have a threshold for preventing sending emails.
+	RiskLevel int `xorm:"-"`
+
 	HasMerged      bool               `xorm:"INDEX"`
 	MergedCommitID string             `xorm:"VARCHAR(64)"`
 	MergerID       int64              `xorm:"INDEX"`