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Mailing List Deduplicator and Syntax Verification

Cool Tool : March 2003

Have you been  maintaining your mailing list manually?

How much time do you waste making sure the subscriber you are about to add isn't a duplicate? ... or dealing with that person's complaint later because they forgot they subscribed twice? How many tries does it take your mail program to actually send your mailing because it keeps reporting badly formatted addresses that you must correct first? Outlook, for one will choke on even ONE bad address! ... how easy is it to miss the Shift key and type a 2 instead of @ sign?

Of course, the easiest is to move to an automated mailing list system that takes care of adding subscribers for you. Many hosts, as we do, offer a mailing list feature in some of their hosting packages. 

This tool will catch your mistakes if you must continue manually, or clean up your list in preparation to move to an automated system. It will weed out duplicate email addresses, remove and report bad email addresses back to you, and sort the remaining good email addresses. 

Use it HERE

This tool is built into the mailing list software offered in our hosting plans.
We also offer a mailing-list only package.

Using the Cleanlist Utility

Our clients: If you have a package that includes the mailing list software, you may access this tool for your existing lists thru your control center's 'Email and Mail Lists' icon. Click the link into the mailing list you want to clean. This will open its list manager where you will choose the 'Clean Addresses' button. 
n.b. This is most useful if you bulk-add addresses thru the raw files. For addresses added via your list's admin interface or subscribed automatically (via email request or subscriber form), those addresses are already checked for duplication and proper email address syntax as you go along.

Non clients: Use this tool right HERE to remove duplicates and wrongly formatted email addresses. It is compatible for use with mailing lists in either comma-separated or one per line formats. It will also handle entries in which the email address is followed by comments within parentheses, as is allowed with Smartlist mailing lists.  
n.b. This public version has a limit of a few hundred addresses at a time.