Add User.include_sender_in_reverse_alias column. Null for existing user, False for new user.

app/models.py

@@ -272,6 +272,11 @@ class User(db.Model, ModelMixin, UserMixin):
         db.ForeignKey("alias.id", ondelete="SET NULL"), nullable=True, default=None
     )
 
+    # whether to include the sender address in reverse-alias
+    include_sender_in_reverse_alias = db.Column(
+        db.Boolean, default=False, nullable=True
+    )
+
     @classmethod
     def create(cls, email, name, password=None, **kwargs):
         user: User = super(User, cls).create(email=email, name=name, **kwargs)

migrations/versions/2020_120619_c0d91ff18f77_.py

@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: c0d91ff18f77
+Revises: 56c790ec8ab4
+Create Date: 2020-12-06 19:28:11.733022
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c0d91ff18f77'
+down_revision = '56c790ec8ab4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('include_sender_in_reverse_alias', sa.Boolean(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('users', 'include_sender_in_reverse_alias')
+    # ### end Alembic commands ###