Ptsfilter Performance Page

This page lists the order of execution of the Ptsfilter tests and their performance characteristics. Some functions(tests) can be customized very specifically.

User Restriction test                      uses: user-list.conf
                                           overhead: low
Intranet Restriction Test                    uses: intranet-list.conf
                                           overhead: low - moderate
Domain IP Test                              uses: domain-ip-list.conf
                                           overhead: relatively low
Resend IP function                           uses: resend-ip.conf
                                           overhead: moderate
Outgoing Mail Exemptions                     uses: exemptout
                                           overhead: relatively low
Exceptions Test                              uses: exceptions-list.conf
                                          overhead: relatively low
Ip Exceptions Test                           uses: ip-exceptions.conf
                                          overhead: relatively low
MX Record Check                              uses: do_mx_check       
                                          overhead: relatively low
SPF Test					 uses: spfflag,spfmydomain
                       		      overhead: low
Address Restriction                         uses: address-list.conf
                                         overhead: relatively low
DNS Restrictions                             uses: none
                                          overhead: low
Blacklist Domain Database                     uses: none
                                          overhead: low
Blacklist IP Database                        uses: none
                                          overhead: low
Check if Forged                              uses: none
                                          overhead: low
Check to Domain                             uses: none
                                          overhead: low
From Address Restriction                    uses: from-restrict.conf
                                          overhead: low
Length of User Name Test                    uses: none
                                          overhead: low
Length of From Address Test                 uses: none
                                          overhead: very low
From To Test                                uses: none
                                          overhead: low
Sender Address Verification                 uses: do_user_check
                                          overhead: moderate
Greylisting                                 uses: greylist
                                          overhead: low
IP Restriction Test                         uses: IP-list.conf
                                          overhead: relatively low
IP Restriction Test                         uses: IP-list.conf
                                          overhead: relatively low
Number of Relays                            uses: none
                                          overhead: low
Spam String Test                            uses: spam-list.conf
                                         overhead:   high
File Attachment Test                        uses: string-list.conf
                                         overhead: moderate
Key Word Test:                              uses: keyword-list.conf
                                         overhead: extremely high
Unencoding Encoding Match Test                      uses: none
                                         overhead: moderate
Run External Program     			uses: none
                                         overhead: moderate to heavy
Vipul's Razor Test				uses: none
                       		     overhead: moderate to heavy
DCC Test					uses: none
                       		     overhead: moderate to heavy
Clamav Test					uses: none
                       		     overhead: moderate
Copy Offending Messages                     uses: copy-list.conf
                                        overhead: moderate
Mail Box Quota check                        uses: quota-list.conf
                                        overhead: low
Message Size Limit                          uses: message_size-list.conf
                                        overhead: low
Add Footer                                  uses: add_footer_list.conf
                                        overhead: low
Auto Responder                             uses: auto_responder.conf
                                        overhead: low

For more information about our software please contact us:
info@expertsinunix.com , or call our offices at 410-838-5100.