Additional information.

DBS, which owns POSB, said that customers who clicked on the link in the email would be redirected to a non-POSB website such as: 

• hxxps[:]//gronvangenx.gq/secure/banking.dbs.com.sg-IB/posb/index[.]html

• hxxp://merkez.cf/secure/update/verification/posb/

• hxxps://virutallin[.]gq/secure/update/verification/posb/index[.]html

"Such phishing sites are designed to steal customer details, logins, PINs and OTPs in order to perform fraudulent transactions," the bank said in its security alert. 

MAS warns of rising number of phishing scams targeting bank accounts

https://www.channelnewsasia.com/news/singapore/mas-warns-of-rising-number-of-phishing-scams-targeting-bank-10207142

Those who are sufficiently dumb enough to believe that piece of crap mail and actually click on the link bait deserve to be cheated. No pity for them.