Search found 151 matches

by fmaxwell
Sun Oct 02, 2005 8:49 am
Forum: MailEnable Professional Edition
Topic: MMC question: Is it just my installation?
Replies: 1
Views: 2196

MMC question: Is it just my installation?

While using the ME management console, I highlighted, in the left hand pane: MailEnable/MailEnable Management/Servers/Connectors/SMTP/Logs/Activity I then selected the "View" drop-down menu. There was a mysterious, empty line in the menu with a check mark beside it. It was below "Detail" and above "...
by fmaxwell
Wed Sep 21, 2005 2:44 am
Forum: MailEnable Professional Edition
Topic: DoS? "Auto-ban the IP address if this number is reached
Replies: 8
Views: 9926

Here is a description of the two commands directly from the manual. The drop and ban are separate commands with separate thresholds. I'm sorry to disagree, but the two commands have one threshold. From what you quoted: If a connection has reached the disconnection limit, you can also automatically ...
by fmaxwell
Sun Sep 18, 2005 5:43 pm
Forum: MailEnable Professional Edition
Topic: DoS? "Auto-ban the IP address if this number is reached
Replies: 8
Views: 9926

Re: DoS? "Auto-ban the IP address if this number is rea

The attack is also not quite as easy as you make it out to be. The attacker would have to know you ran ME. (Not too hard with the default config) You would have to connect 6 times and generate 5 errors each time to get yourself on the ban list for an ip with the default settings. That's not how I r...
by fmaxwell
Sun Sep 18, 2005 5:19 pm
Forum: Suggestions
Topic: Set order of DNS Blacklist Processing
Replies: 0
Views: 3279

Set order of DNS Blacklist Processing

Although the best solution is parallel querying of all DNS Blacklists at once (see http://forum.mailenable.com/viewtopic.php?t=7937 ), if the queries are to be done serially, the user should be able to order the queries through the management console (not regedit). The user should be able to select ...
by fmaxwell
Mon Sep 12, 2005 9:03 pm
Forum: MailEnable Professional Edition
Topic: DoS? "Auto-ban the IP address if this number is reached
Replies: 8
Views: 9926

DoS? "Auto-ban the IP address if this number is reached

Maybe this has been covered here before, but the function to "Auto-ban the IP address if this number is reached" presents a Denial of Service attack vulnerability. (For those who were unaware, the option mentioned will automatically ban an IP address when X number of bad commands or addresses are re...
by fmaxwell
Thu Aug 04, 2005 10:46 pm
Forum: MailEnable Professional Edition
Topic: Blacklisted Domains
Replies: 1
Views: 2584

Bump!

Anyone?
by fmaxwell
Mon Aug 01, 2005 9:06 am
Forum: MailEnable Professional Edition
Topic: Blacklisted Domains
Replies: 1
Views: 2584

Blacklisted Domains

Mailenable has the ability to blacklist domains from the ME management console: ME -> ME Management -> Messaging Manager -> Post Offices -> {PO name} -> Domains -> {right click on domain name} -> Properties -> Blacklist I tried to blacklist everything in the .tw top-level domain since all that we ge...
by fmaxwell
Mon Jul 25, 2005 3:54 pm
Forum: Suggestions
Topic: Logging of ptr Lookups
Replies: 2
Views: 4699

1. More configurable logging is being provided to allow you to report on things like RBL lookups, PTR, SPF, etc. This functionality should shortly be available (I think it can actually be enabled in current releases I enabled full logging and it results in a monstrous debug file. Each piece of inco...
by fmaxwell
Thu Jul 21, 2005 8:54 pm
Forum: Suggestions
Topic: Logging of ptr Lookups
Replies: 2
Views: 4699

Logging of ptr Lookups

When a ptr record (aka "reverse DNS entry") is required for non-authenticated senders, the results of that lookup should be a part of the SMTP activity log and a part of the e-mail headers. That would save time when creating and analyzing abuse complaints.
by fmaxwell
Wed Jul 13, 2005 9:15 am
Forum: Suggestions
Topic: Processing of DNS blacklists
Replies: 2
Views: 6199

For blackholes.us lists I would recommend setting up Bind on the server and run the zones yourself - this is much more reliable and you can even set up a custom zone and add your own IP addresses to block. Gareth I've considered that, but I don't know how to set up Bind on a Windows box and really ...
by fmaxwell
Tue Jul 12, 2005 7:27 pm
Forum: Suggestions
Topic: Allow ranges to be entered for IP addresses.
Replies: 0
Views: 2834

Allow ranges to be entered for IP addresses.

When blocking IP addresses under the SMTP properties, it is not currently possible to specify a range. For example, suppose one wanted to block a problem section of Kornet, a Korean spam haven. With ranges, one could specify: 222.96.0.0 - 222.122.255.255 With MailEnable, as it exists today, one woul...
by fmaxwell
Sat Jul 09, 2005 5:07 am
Forum: Suggestions
Topic: Put Time Limits On IP Addresses Which Are Blocked
Replies: 3
Views: 7471

Put Time Limits On IP Addresses Which Are Blocked

Problem: IP addresses which are added to the denied IP list (under SMTP properties) have no expiration so they remain denied forever -- or until manually removed. Suggestion 1: The denied IP address list should allow an entry of how many days an IP should stay on the list. ME should automatically pu...
by fmaxwell
Sat Jul 09, 2005 4:55 am
Forum: Suggestions
Topic: Need Ability to Comment and Sort IP Addresses
Replies: 6
Views: 8961

Need Ability to Comment and Sort IP Addresses

Mailenable administrators need a way to comment IP addresses in their Access Control list (denied IP addresses) and SMTP Whitelist -- especially now that ME can add addresses to the denied list after X number of failed commands or bad addresses. After building up about a dozen entries in each, it's ...
by fmaxwell
Fri Jul 08, 2005 3:48 pm
Forum: MailEnable Professional Edition
Topic: do i have a virus?
Replies: 2
Views: 2997

It is possible your email address is being spoofed and you are getting returned to you the bad email addresses. That is outside your system and nothing you can do about that. There is something they can do (if they have not already): Create an SPF record for their domain. Any mail server which chec...
by fmaxwell
Fri Jul 08, 2005 3:38 pm
Forum: Suggestions
Topic: Processing of DNS blacklists
Replies: 2
Views: 6199

Processing of DNS blacklists

MailEnable checks DNS blacklists in sequential order -- and this is generally fine when there are only one or two blacklists in use. When there are many, such as when specifying multiple countries (China, Nigeria, Korea, Brazil, Malaysia, Taiwan, etc.) from blackholes.us, each blacklist query must t...