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Moore's Views & Reviews

Charles Moore Reviews POPmonitor 2.1 Email Utility

Friday, March 7, 2003


By Applelinks Contributing Editor Charles W. Moore

Spam is definitely getting worse. My Applelinks email account gets bombarded with 25-40 spam messages per day, despite fairly aggressive stance filters on the incoming server. My MacOpinion and Low End Mac email boxes get plenty as well. An inevitable consequence of having the addresses published on Webpages

And not only is there more spam, it’s also getting bigger. A couple of years ago, spam messages with attachments were relatively uncommon. Now it seems about half of the junk meal has attachments or heavy graphical formatting -- a particular plague when you are on a slow dial up connection like I am. The past couple of months have been especially bad.

There are a number of the anti-spam strategies and workarounds. Some email clients are incorporating spam filters. OS X Mail has this feature, and it reportedly works quite well, but I don’t use the Mail app., as I need transparent email file compatibility with OS 9 versions of my email clients.

Nisus Email lets you preview email header information and delete unwanted messages without downloading them, which is a great blessing, but filtering doesn’t work at the preview level.

However, for the past month or so I’ve been using POPMonitor on my Applelinks email account, which I manage with Eudora. POPMonitor is a cool little shareware email utility, available in both OS X and Classic versions, that allows you to not only preview the contents of your email boxes before downloading, but also to instantly create blocking filters that can automatically delete subsequent messages from blocked addresses without even previewing them. You can also “bounce” previewed messages that you what return to sender.

Unfortunately, quite a few of the fake bounces bounce right back at you, but I figure it’s still worth a shot if one has a few spare moments, if only to give you the satisfaction of fighting back.

When first you launch POPmonitor, the Configuration Assistant will help you configure your first account. Then you just login to your mailbox, select the unwanted messages and click “Block” (and “Bounce” if desired) and then ‘Delete’.

You can configure POPMonitor to automatically delete messages from blocked senders. or automatically delete messages that match any filter, and set POPmonitor to switch directly to your e-mail application after it has checked and filtered your mailbox. POPmonitor will first remove any unwanted messages from your mailbox and then tell your e-mail application to receive the remaining messages.

You can display selected messages in separate windows. POPmonitor will not show the entire message but just downloaded part of it. You can specify the size of the downloaded part in the Account Settings window under Read X lines of the message body.

You can also save selected messages to your hard disk using POPMonitor alone.

To bounce messages, click the bounce button, and the the selected message(s) will be sent back to the sender thereby simulating a non-existing e-mail address. POPmonitor will send a message saying that your e-mail account no longer exists on your ISP’s server.

POPmonitor can also act as an automatic filter between your ISP’s mailbox and your email application, check and filter your mailbox at scheduled intervals and afterwards instruct your email application to receive the remaining messages.

Creating filters In POPMonitor is easy: select Filters from the Edit menu to open the Filters overview window, then click the Add button to create a new filter. Give the filter a name, select the appropriate criteria from the pop up menus and enter keywords or a Regular Expression in the text fields. There is also a selection of ready-made filters that can be downloaded from the POPMonitor Website. See Appendix 2 below for a list.

For more information on configuring and using POPMonitor, see Appendix 1 below.

After about a month of adding spam addresses to POPMonitor’s blocked address database, it is very satisfying to see that incoming messages are being automatically deleted with ever mail check.

I’ve found POPMonitor rock-stable and generally unbuggy so far. The only glitch I’ve noticed is that sometimes when you hide POPMonitor, any open window closes, and you have to reopen it when you return to the application.

As usual with software that has OS X and Classic versions that do essentially the same thing, the Classic version is significantly faster than the OS X version. Other than that, they work pretty much identically. You can use the same registration code for both the MacOS 8/9 version and the MacOS X version.

By and large POPMonitor works great, and there’s nothing else quite like it.

System requirements:
• Any Apple Macintosh computer with a Power PC processor
• A connection to the Internet or to your local network
• Mac OS 8.x, Mac OS 9.x or OS X
• AppleScript system software (to communicate with your email application)
• POPmonitor is compatible with Emailer, Entourage, Eudora, Magellan Pro, Netscape Communicator, Outlook Express and PowerMail as well as the latest release of Apple Mail (version 1.2, part of MacOS X 10.2), however unfortunately
POPmonitor is not compatible with Netscape 6/7 or Mozilla because they do not support e-mail related AppleScript events.

POPMonitor includes a 19-page user’s manual and troubleshooting guide in PDF format.

POPmonitor is $25.00 shareware.ĘThe unregistered version of POPmonitor lets you create one mail account, three trusted senders, three blocked senders and three custom filters. After registering you can create an unlimited number of each.

For more information, visit:
http://www.vechtwijk.nl/dev/popmonitor/

***

Appendix 1

Configuring And Using POPMonitor

In the Scheduling and Filtering configuration panel, you can specify details regarding automatic mail checking and filtering:
• Check mail at startup
• Check mail every X minutes/hours
• Automatically delete mail from blocked senders
If this option is not selected then mail from blocked senders will show up in your mailbox
marked with a red dot.
Automatically delete mail that matches a Flag/Delete filter
If this option is not selected then mail that gets filtered by a Flag/Delete filter will show up in your mailbox marked with a red dot.

In the Notification panel you specify details about notification when your mailbox contains new mail and details about your e-mail application.
• Let you know about waiting mail when running in the background
• Use which email client as your mail application
You can choose from: Apple Mail, Entourage, Eudora, Magellan Pro or PowerMail.
• Tell POPMonitor to receive mail for account X
• Switch automatically to your e-mail application immediately after checking/filtering. POPmonitor will first remove any unwanted mail from your mailbox and then tell your e-mail application to receive the remaining mail.

In the Miscellaneous panel you specify general application settings.
• Check for update selects how often you want POPmonitor to
check for updates.

Every account configured has its own account window displaying the contents of the corresponding e-mail account. You can show or hide the toolbar by clicking the Toolbar widget in the upper right corner, by pressing Command-T or by selecting Show/Hide toolbar from the Window menu.

Toolbar Buttons:

• Check connects to your ISP’s mail server and gets an overview of mail currently waiting in your mailbox. POPmonitor does not download messages completely. Instead just a part of each message is downloaded. You can specify the size of the downloaded part in the Account Settings window.

• Receive switches to your e-mail application and tell it to receive waiting mail
for the corresponding e-mail account.

You can select Trusted senders or Blocked senders from the Edit menu to add, update or delete trusted or blocked senders. Mail from trusted senders always appears in your mailbox marked with a green dot. Mail sent by these persons is never affected by filters. Mail from blocked senders either appears in your mailbox marked with a red dot or is deleted automatically while POPmonitor checks the mailbox. Go to the Account Settings window

The Add button adds a new e-mail address to the list. After clicking this button the E
E-mail addresses can also be added by dragging them from other applications or documents and dropping them onto the overview list in the Trusted or Blocked Senders window.

The Update button allows you to change the selected e-mail address.

The Delete button deletes the selected e-mail addresses.

To create a filter, select Filters from the Edit menu. A filter can have a maximum of two criteria and mail that meets a certain filter’s criteria can either be trusted, flagged or deleted automatically.

The filter action can be set to Trust, Delete, Flag orFlag/Delete (account preference):
– Trust: always allow this message in the mailbox (shown with a green dot; applies to all
accounts)
– Flag: always allow this message in the mailbox but flag it (shown with a red dot;
applies to all accounts)
– Delete: immediately delete this message from the mailbox without asking the user
for confirmation (applies to all accounts)
– Flag/Delete: either show this message in the mailbox flagged with a red dot or
immediately delete it from the mailbox without asking the user for
confirmation.

Clicking the Read button when one or more messages are selected or double-clicking a single message will open each message in a separate window.

Bouncing mail sends an e-mail back to the sender saying “This e-mail address does not exist”. This is intended to make the spammer believe your e-mail address no longer exists. The desired effect is that the sender will now remove your address from
their list and that you will receive less spam in the future.
dress being sent to spammers, causing only more spam.

Bouncing sounds as the perfect solution to get rid of spam but unfortunately this is not
necessarily the case. Professional spammers are getting smarter by the day. They know how to fake every bit of personal information in the messages they send and they often use accounts that are immediately closed by the hosting ISP or accounts that do not exist at all. This makes it impossible to bounce those messages back to the spammer.
If a bounce message can not be delivered it will bounce back to you with an explanation why the bounce attempt failed. If you do not wish to see those bounced bounce messages in your mailbox then you can add the Bounced bounce msg filter example to your list of filters.

***

Appendix 2

Ready-made filters

Adult
Various adult related keywords (combined in a single, expandable filter)

Attachments
Attachment name ends with BAT
Attachment name ends with EXE
Attachment name ends with PIF
Attachment name ends with SCR

Countries
Africa/Nigeria
Argentina
Brazil
China
Hungary
Korea
Russia
Taiwan

Encoded mail
Base64 encoded message body (1)
Base64 encoded message body (2)
BinHex encoded message body (1)
BinHex encoded message body (2)

Financial/Business
Keyword Casino
Keyword Financial Freedom
Keyword Free Access Code
Keyword Free Membership
Keyword Free Subscription
Keyword Free Vacation
Keyword Increase Sales
Keyword Increase Your Business
Keyword Let’s Say You
Keyword Low Rates
Keyword Million
Keyword Millions of Messages
Keyword Mortgage
Keyword Premium Vacation Pack
Keyword Promote Your Products
Keyword Promote Your Website
Subject begins with ADV

Returned mail
Bounced bounce msg
Returned mail

Trusted sources
Habeas (Sender Warranted Email)

Viruses
Klez

Miscellaneous
From address contains a number
Keyword

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