Hardly specific to the firearm division, web sites in general that require a confirmation email can easily have those emails “fall between the cracks” never to be seen again.
Especially if your anti-spam regimen (which you may or may not control or even may or may not be aware of that is in place) employs the “greylist”.
If the greylist is involved, having a modifier like “+bypass” or “-bypass” to append to your username (ie LHS; not the greylist needs to be configured to do this, it does not do so out of the box) as such:
Can go a long way towards success if such patterns are on a whitelist.
(The greylist is a SMTP filtering technique that requires the sender to obey RFCs when “temporary failure 4xx” is encountered. Most spammers simply move on during such and event, hence why it is popular for filtering)
“+” is more desirable as you get it for free (ie RFCs controlling SMTP). “-“ requires your SA to do some lifting on occasion.
bob
bob+mds
bob+dominos
bob+randomthingipicked
All deliver to the “bob” mailbox.
Also the nifty thing about this technique is you can give everything that wants your email a distinct suffix, allowing you to know who has slutted out their email address lists.
Of you course blacklist list them so they may n’r return to your port (ie mailbox)