Question : avoiding spam list

what are steps to prevent mail sent from a webserver to not be on a spam list

should i avoid bcc
should i only send to one person at a time
what is limit of emails sent in one minute

is there anywhere to register my server

if I use phpmailer instead, am i less likely to get on spam list

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<?php
 
$Name = "Da Duder"; //senders name
$email = "[email protected]"; //senders e-mail adress
$recipient = "[email protected]"; //recipient
$mail_body = "The text for the mail..."; //mail body
$subject = "Subject for reviever"; //subject
$header = "From: ". $Name . " <" . $email . ">\r\n"; //optional headerfields
 
mail($recipient, $subject, $mail_body, $header); //mail command :)
?>

Answer : avoiding spam list

You have to buy licenses for each computer. THe 5 user license is not licensed for 5 computers but allows 5 users to connect to the engine. You'll need a 5 user license on each machine unless you can get a single user license (I'm not sure what's available from a license key standpoint).
Which company did you talk to? I would suggest contacting Pervasive directly (1-800-287-4383 in the US). They should be able to straighten you out.

One more item of note, the PSQL v10 engine on the laptop may have problems connecting to the server if it's running PSQL v8. Ideally you would upgrade all clients and the server to PSQL V10.