MX Messaging Resources

If you are encountering problems with mail referencing ORDB.org on your Microsoft Exchange 2003 or 2007 server, or mail being blocked with a return message stating that the sender's IP was on relays.ordb.org, please ensure that you do not have relays.ordb.org entry configured in the IMF settings. You MUST restart the SMTP Virtual Server to ...

You can use a Mail Filter in your FlexBox account to keep mail from undesired senders out of your Inbox even if it doesn't get classified as Spam. For more information, please see http://mxtoolbox.com/cs/forums/808/ShowThread.aspxTo create a Blocked Senders Filter1) Click on Options, this will either be a tab across the top or the 2nd circle from ...

You can use a Mail Filter in Outlook to keep mail from undesired senders out of your Inbox even if it doesn't get classified as Spam. For more information, please see http://mxtoolbox.com/cs/forums/808/ShowThread.aspxTo create a Blocked Senders Filter1) Click on Tools -> Rules and Alerts2) Click on New Rule..3) Start from a blank rule, Check ...

Our Anti-Spam Email filter system uses many factors to determine the validity of an incoming message including the sender's email address, the sending server's IP address, and the content of the message. Unwanted messages which reach your inbox will fall into two categories, missed spam and unwanted mass mailings.Sporatic spam which got passed the ...

''I'm Not a Spammer, so why is my IP Address Blacklisted?'' Everyday, legitimate email users find their outbound email flow blocked by recipient email servers using blacklists (aka Blocklists, RBLs) to block spam. Most of these users are shocked to find their IP Addresses on a list with IP Addresses used to flood the world's inboxes with spam ...

We have been flooded with calls and emails this morning regarding the LBL Blacklist. A large range of users--from self hosted to ISP hosted--have reported being listed on LBL and, subsequently, having their mail blocked. The website, however, seems to be defunct. Users are seeing two different messages:   LBL LISTED LBL ...

MX Toolbox has removed the BLARS Blacklist from the free blacklist lookup tool. BLARS is notorious for false positives and high costs to get unlisted. Now, it seems that the list is defunct (we are not positive when it happened, but BLARS.org is currently a parked page with GoDaddy). We are going to keep a close eye on this, and we will put ...