20 Sep
2012
20 Sep
'12
3:07 p.m.
Recently we began seeing lots of these log entries on our off-site mx smtp host. I have googled this but I am not clear from what I have read if this is something we can stop altogether or should even worry about.
Comments?
Logwatch. . .
--------------------- sendmail Begin ------------------------
SMTP SESSION, MESSAGE, OR RECIPIENT ERRORS ------------------------------------------
WARNING!!!! Possible Attack: Attempt from 104.Red-83-50-106.dynamicIP.rima-tde.net [83.50.106.104] with: command=HELO/EHLO, count=3: 1 Time(s)
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*** E-Mail is NOT a SECURE channel ***
James B. Byrne mailto:ByrneJB@Harte-Lyne.ca
Harte & Lyne Limited http://www.harte-lyne.ca
9 Brockley Drive vox: +1 905 561 1241
Hamilton, Ontario fax: +1 905 561 0757
Canada L8E 3C3