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Cannot Send e-mails, Does Not Allow Relaying – Fixed

I was getting this crazy error when sending out an email on my iPhone..

After some research, I just realize that there is a my mistake when making adjustment of /etc/postfix/

Hereby my mistake:

    mynetworks =

Do you recognize it? Do never forget the , comma sign “,” among each parameters. So, it should be correct like this:

    mynetworks =,,