Well, i think, this is not this forum's "NASM - The Netwide Assembler " issue.
This forum is unique by content, but NOT by design.
As you can see, at bottom of every forum page is label "Simple Machines", they created it, "designed this forum", what ever they are, i don't know, follow that secret link and find out, blame them.
OR mail was sent over miles and got lost or distracted and went some other way.
OR you are using some outdated, suspicious email server, ISP.
OR email was placed in spam folder.
That's for sure, i covered at least one, that was causing all of that miss delivery.
Here are some of Email Protocols: IMAP, POP3, SMTP and HTTP.
Maybe your email host service is not supporting some of them.
SMTP is old, that's for sure.
That's all i can say.