Knock once call once and go.
Pos Malaysia - Brickfields - Kuala Lumpur, Wilayah.
Coincidentally,I will be heading outstation the same day evening so after a thorough thought I went back to poslaju Miri the second time and met the same staff asking if I were able to contact the postman so I can retrieve from him straight away.
Normally, people with good experience tend not to write a positive review, I guess this is one of the reasons behind this bad publicity.
I told them I had put a self collect remark already and nobody will be at home.
The company also offers a non-standard mail service.