2022-01-12 17:35:36,268 pykolab.smtp_access_policy ERROR [20820] Unhandled exception caught: DataError('(_mysql_exceptions.DataError) (1406, "Data too long for column \'sender\' at row 1")',)
2022-01-12 17:35:36,271 pykolab.smtp_access_policy ERROR [20820] Traceback (most recent call last):
  File "/usr/lib/postfix/kolab_smtp_access_policy", line 1712, in <module>
    recipient_allowed = policy_requests[instance].verify_recipients()
  File "/usr/lib/postfix/kolab_smtp_access_policy", line 1001, in verify_recipients
    recipient_verified = self.verify_recipient(recipient)
  File "/usr/lib/postfix/kolab_smtp_access_policy", line 938, in verify_recipient
    sasl_sender=self.sasl_sender
  File "/usr/lib/postfix/kolab_smtp_access_policy", line 1366, in cache_update
    data=data
  File "/usr/lib/postfix/kolab_smtp_access_policy", line 1315, in cache_insert
    session.commit()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1023, in commit
    self.transaction.commit()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 487, in commit
    self._prepare_impl()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 466, in _prepare_impl
    self.session.flush()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2446, in flush
    self._flush(objects)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2584, in _flush
    transaction.rollback(_capture_exception=True)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/util/langhelpers.py", line 67, in __exit__
    compat.reraise(exc_type, exc_value, exc_tb)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 2544, in _flush
    flush_context.execute()
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 416, in execute
    rec.execute(self)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 583, in execute
    uow,
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 245, in save_obj
    insert,
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 1116, in _emit_insert_statements
    statement, params
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 980, in execute
    return meth(self, multiparams, params)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/elements.py", line 273, in _execute_on_connection
    return connection._execute_clauseelement(self, multiparams, params)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1099, in _execute_clauseelement
    distilled_params,
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1240, in _execute_context
    e, statement, parameters, cursor, context
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1458, in _handle_dbapi_exception
    util.raise_from_cause(sqlalchemy_exception, exc_info)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 296, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb, cause=cause)
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1236, in _execute_context
    cursor, statement, parameters, context
  File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 536, in do_execute
    cursor.execute(statement, parameters)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 250, in execute
    self.errorhandler(self, exc, value)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 50, in defaulterrorhandler
    raise errorvalue