enable when caldav is ready

[todo]

daptin/server/resource/caldav_service.go

Lines 305 to 310 in 428cdfd

	// todo: enable when caldav is ready
	//rollbackErr := transaction.Rollback()
	//CheckErr(rollbackErr, "Failed to rollback")
	log.Error("Unable To Send mail", mailerError)
	//return nil, mailerError[0]
	}

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This issue was generated by todo based on a todo comment in 428cdfd. It's been assigned to @artpar because they committed the code.