Watchguard XTM blocking login attempts

Posted by user192702 on Server Fault See other posts from Server Fault or by user192702
Published on 2013-11-05T14:53:02Z Indexed on 2013/11/05 15:57 UTC
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routinely I'm seeing lots of login attempts to my mail server trying out various login names starting from A to Z coming from the one IP on one day and another IP on another day. Is there any means to detect this type of activities and block accordingly? I asked Watchguard and it appears they don't support this on their XTM series. Anything else I can do other than to have a super long password?

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