My next question is: How will I know that my SPF entries are correct?\n\nThere are testing links easily available.\n\nUntil you create the SPF records they are irrelevant though -\- and you\nwill need a test account for each domain to check them.\n[QUOTE]\nWhat\nis the method of confirming the accuracy of my work/DNS changes? Consider\nin your answer the fact that 98% of the DNS records on my server belong to\nother domain name holders that are hosted on my server. IOW, I cannot send\ntest emails from their accounts for fear that the customer will receive back\na reply in their Inbox which they will not recognize and will confuse[/QUOTE]\nthem.\n\nIf you don't own their DNS you might have to engage their assistance or have\nthem provide you a test account for checking it.\n\nThat is just reality -\- you cannot be expected to manage ANY one's email\nunless you can send and receive test messages.\n\n[QUOTE]\nYou missed the word "IF" in my hypothetical question.[/QUOTE]\n\nSo how many do you have?\n[QUOTE]\nI don't know how to write a script.[/QUOTE]\n\nSee my other response to your inability to write a simple script.