SetDomainSpamGreylist()

This function will turn on or off greylisting for a domain. Greylisting forces new sender/server combinations to resend their messages a 2nd time in accordance with SMTP RFC specifications and has the effect of reducing spam.

Parameters

Three strings, one integer:

   Administrative username,
   Administrative password,
   Domain name,
   Enable/disable (1 = enable, 0 = disable)

Return Values

If successful, the return value of the function will be 1.

Consult the Result Code Table for a list of result codes and their meaning.