PLDT port 25
UPDATE: For the sake of being transparent to Mr. Craig’s comment (IP: 112.201.102.76 , 112.201.102.76.pldt.net) who, I assume, is also a Filipino, Thank You for your comment regarding my English literacy. Admittedly, I’m not really good in English so I requested my lovely wife, who is more educated than I am, to revise this article to a more …