1:319:class SendJob(Base, TimestampMixin):
19:337:class SendAttempt(Base, TimestampMixin):
36:354-    error_class = Column(String(60), default="")  # temporary|permanent|auth|quota|unknown
41:359:class EmailEvent(Base, TimestampMixin):
54:372-class AuditLog(Base, TimestampMixin):
67:385-class ApplicationSettings(Base, TimestampMixin):