diff --git a/app/models.py b/app/models.py
index 7e49294a..5d400dcd 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1396,6 +1396,9 @@ class EmailLog(db.Model, ModelMixin):
     # usually because the forwarded email is too spammy
     bounced = db.Column(db.Boolean, nullable=False, default=False, server_default="0")
 
+    # happen when an email with auto (holiday) reply
+    auto_replied = db.Column(db.Boolean, nullable=False, default=False, server_default="0")
+
     # SpamAssassin result
     is_spam = db.Column(db.Boolean, nullable=False, default=False, server_default="0")
     spam_score = db.Column(db.Float, nullable=True)
diff --git a/migrations/versions/2021_030617_d1236c4dff71_.py b/migrations/versions/2021_030617_d1236c4dff71_.py
new file mode 100644
index 00000000..4767a731
--- /dev/null
+++ b/migrations/versions/2021_030617_d1236c4dff71_.py
@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: d1236c4dff71
+Revises: e831a883153a
+Create Date: 2021-03-06 17:43:53.727547
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd1236c4dff71'
+down_revision = 'e831a883153a'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('email_log', sa.Column('auto_replied', sa.Boolean(), server_default='0', nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('email_log', 'auto_replied')
+    # ### end Alembic commands ###