lots of spam

[John Campbell]

Up until last week my my message logs have been around 30k to 50k. Now they are all over 100k, filled with entries like the following.

Does anyone know why this is happening all of a sudden? And how can I stop it.

Many thanks,

John Campbell

00:37:39 1 SMTP-723(omr-m03.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:39:53 1 SMTP-724(omr-m08.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:40:21 1 SMTP-725(omr-m09.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:41:04 1 SMTP-726(omr-m11.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:42:57 1 SMTP-727(omr-m05.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:43:56 1 SMTP-728(omr-m04.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:45:02 1 SMTP-729(omr-m08.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:45:14 1 SMTP-730(omr-m01.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:46:29 1 SMTP-731(omr-m09.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:49:39 1 SMTP-732(omr-d07.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:51:01 1 SMTP-733(omr-m11.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:52:29 1 SMTP-734(omr-d05.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:53:36 1 SMTP-735(omr-d05.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:54:18 1 SMTP-736(omr-m07.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:54:47 1 SMTP-737(omr-d07.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:55:37 1 SMTP-738(omr-m04.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:57:32 1 SMTP-739(omr-d06.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:57:53 1 SMTP-740(omr-d06.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown
00:58:07 1 SMTP-741(omr-m07.mx.aol.com) SPAM? Recipient '<[EMAIL PROTECTED]>' rejected: user unknown