Test php mail function in localhost on Mac using XAMPP

Alvin Mok

I'm trying to test php mail function in localhost using this method:

As it says on the site there are 3 steps to set up:

Modify /etc/postfix/main.cf
Create files /etc/postfix/smtp_sasl_passwords and /etc/postfix/smtp_tls_sites
Run the following commands:

$ cd /etc/postfix
$ chmod go-rx smtp_sasl_passwords
$ postmap smtp_sasl_passwords
$ postmap smtp_tls_sites

When I run $ postmap smtp_sasl_passwords, terminal returned postmap: fatal: open database smtp_sasl_passwords.db: Permission denied. I also tried to add sudo command: sudo postmap smtp_sasl_passwords (as I learnt from this video [7:30]), but it also returned the same error. I'm not sure where I went wrong?

P.S. I did some searching on Stack Overflow but solutions I found did not seem to suit me.

Alvin Mok

I figured out the solution:

You have to create 2 sets of files

smtp_sasl_passwords
smtp_sasl_passwords.db
smtp_tls_sites
smtp_tls_sites.db

Since postmap smtp_sasl_passwords detects the db extension.

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edited at2021-04-2

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