<div dir="ltr"><div dir="ltr">Probably not. You may have to implement a rule using milter-sender or similar tools.<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-family:arial;font-size:small"><div></div></div><table style="color:rgb(0,0,0);font-family:Times;font-size:medium;border:0px;padding:0px;margin:0px"><tbody><tr><td><table style="max-width:600px;direction:ltr"><tbody><tr><td><div style="max-width:470px;margin:8px 8px 4px"><table border="0" width="470" style="width:470px;font-family:Tahoma"><tbody><tr valign="top"><td style="width:10px;vertical-align:top;white-space:nowrap"><img src="https://s3.amazonaws.com/ucwebapp.wisestamp.com/3a24359a-1c75-4fb9-b572-f019a13fd09a/alexneuman.format_png.resize_120x.png#logo" width="113" height="113" alt="logo" style="border-radius:4px;width:113px;height:113px"> <span style="font-size:small">  <br></span></td><td style="text-align:initial"><span style="font-size:14px"><span style="color:rgb(128,128,128)"><strong style="color:rgb(0,161,230)">Alex Neuman van der Hans</strong> <span style="color:rgb(136,136,136)"><em>Producer/Host</em></span><span style="color:rgb(136,136,136)"><em>, Vida Digital</em></span></span></span><br><span style="font-size:14px"><span style="color:rgb(128,128,128)"><a href="tel:+1+(440)+253-9789" style="color:rgb(128,128,128)" target="_blank">+1 (440) 253-9789</a> </span><span style="color:rgb(128,128,128)"><span style="color:rgb(0,161,230)">| </span><a href="tel:+507+6781-9505" style="color:rgb(128,128,128)" target="_blank">+507 6781-9505</a> </span><span style="color:rgb(128,128,128)"><span style="color:rgb(0,161,230)">| </span>Panama </span></span><span style="font-size:14px"><span style="color:rgb(0,161,230)">|</span><a href="mailto:alex@vidadigital.com.pa" style="color:rgb(128,128,128)" target="_blank">alex@vidadigital.com.pa</a> </span><span style="font-size:14px"><span style="color:rgb(0,161,230)">| </span><a href="https://mailtrack.io/trace/link/6d93d0f9fd85f8182408c621adbea1714eabe93c?url=http%3A%2F%2Fvidadigital.com.pa%2F&userId=2636895&signature=4a9377a1fcef9ef7" style="color:rgb(128,128,128)" target="_blank">vidadigital.com.pa/</a> <font color="#00a1e6"><br></font></span><span style="font-size:14px"><span style="color:rgb(128,128,128)">Skype:<a href="https://mailtrack.io/trace/link/e695afa85ee0c4170aac2e55b7906da3acaf0326?url=https%3A%2F%2Fwebapp.wisestamp.com%2Fsig_iframe%3Forigin%3Dmac-mail%26signature_id%3D5234486814965760%26t%3D0.5662234535507977%23&userId=2636895&signature=a20e7f314b8f7c6f" style="color:rgb(128,128,128)" target="_blank">alexneuman</a></span> </span><span style="font-size:14px;color:rgb(128,128,128)"><span style="color:rgb(0,161,230)">| </span><a href="https://mailtrack.io/trace/link/83955116e94c4c95be4f79f1456fd7e1322421a8?url=http%3A%2F%2Fwiseintro.co%2Falexneuman&userId=2636895&signature=0cee64d378bc22da" target="_blank">wiseintro.co/alexneuman</a> </span><br><div style="margin-top:5px"><table border="0" cellpadding="0" cellspacing="0"><tbody><tr style="padding-top:10px"><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/43d5bdcc5baeaf6334c673c3f26602ada23fc41a?url=http%3A%2F%2Ffacebook.com%2Fvidadigital&userId=2636895&signature=f8bdf43ced6e23ab" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/facebook.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/99181635a1ea098db6a51eafda53e4beab94e4ee?url=http%3A%2F%2Fpa.linkedin.com%2Fin%2Falexneuman&userId=2636895&signature=992a8674f1478d5e" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/linkedin.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/a4d583331434cea491f481bae9a8c8010c913b6b?url=http%3A%2F%2Ftwitter.com%2Falexneuman&userId=2636895&signature=c8daab5f62d07b04" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/twitter.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/bf770a2847f67ac835ea05dec59f7014f1f6cddc?url=http%3A%2F%2Fpinterest.com%2Fvidadigital&userId=2636895&signature=4a2a52b675e5362b" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/pinterest.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/dc8ff75aea9f31aaf2178ba051c94af58e13ed70?url=http%3A%2F%2Fyoutube.com%2Fvidadigital%3Fsub_confirmation%3D1&userId=2636895&signature=0e2660fe79cbdaa6" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/youtube.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/725b75029c5a8ab2e69d5680dbb6624955faf26e?url=http%3A%2F%2Finstagram.com%2Fvidadigital&userId=2636895&signature=8bf52022c418e35d" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/instagram.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/eaf848801d570153847072f8ca1a1392a300c5a0?url=http%3A%2F%2Famazon.com%2F%3Ftag%3Dvidadigi-20&userId=2636895&signature=8a014408afc45312" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/amazon.png" style="border-radius:4px;border:0px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/87b67ca033052bce4c4ece3040d988f655693e96?url=http%3A%2F%2Fskype%3Aalexneuman%2F%3Fcall%26topic%3DSignature&userId=2636895&signature=cf13a5b2dff2b0b6" target="_blank"><img width="32px" height="32" src="https://s3.amazonaws.com/webapp.wisestamp.com/XT9yavvmRJaZZvINZFTQ_skype.png" style="border-radius:4px;border:0px;width:32px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/ac7e8bf03485b901b82cc5d9a947f059e78199b5?url=http%3A%2F%2Fapi.whatsapp.com%2Fsend%3Fphone%3D50767819505&userId=2636895&signature=0403175a9024ec89" target="_blank"><img width="32px" height="32" src="https://s3.amazonaws.com/webapp.wisestamp.com/wEM3vsigQhq5yev6iwEV_whatsapp.png" style="border-radius:4px;border:0px;width:32px"></a></td><td align="left" style="padding-right:5px;text-align:center;padding-top:0px"><a href="https://mailtrack.io/trace/link/bf015edc1534fb81e466e31ce423c7eadfd53536?url=http%3A%2F%2Fwiseintro.co%2Falexneuman&userId=2636895&signature=cf3ee7ca0fab1229" target="_blank"><img src="https://dn3tzca2xtljm.cloudfront.net/social_icons/32px/wiseintro.png" style="border-radius:4px;border:0px"></a></td></tr></tbody></table></div></td></tr></tbody></table></div></td></tr></tbody></table></td></tr></tbody></table></div></div></div></div></div></div></div></div></div></div></div><br></div><br><img width="0" height="0" class="mailtrack-img" alt="" style="display:flex" src="https://mailtrack.io/trace/mail/cbc9d7f02a519e9123c43c2fe4824323cedb416a.png?u=2636895"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Aug 11, 2021 at 12:29 PM Muhammad Hazwan Bin Abdul Rahman <<a href="mailto:mhdhazwan@sains.com.my">mhdhazwan@sains.com.my</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I have a mail server that configured with mailscanner and spamaassassin. <br>
Lately, I have received a kind of bot attack of email which the sender <br>
send an email to multiple recipient( >100) in a short time.<br>
<br>
One of my rule in spamassassin is to detect any sender in which is <br>
sending to more then 20 person as high scoring spam value.<br>
However, since the attack is a private 1 to 1 mail but many recipient <br>
(im assuming the attacker using some kind of script), my rule cant hit <br>
that behavior.<br>
<br>
Im asking is there any other way in trying to catch this style of attack <br>
using mailscanner and spamassassin?<br>
<br>
Using Centos 7 as my OS.<br>
<br>
Thanks<br>
<br>
-- <br>
Regards,<br>
Hazwan<br>
<br>
<br>
<br>
-- <br>
MailScanner mailing list<br>
<a href="mailto:mailscanner@lists.mailscanner.info" target="_blank">mailscanner@lists.mailscanner.info</a><br>
<a href="https://mailtrack.io/trace/link/7da342fe5e9daeeddced71149651fc4e4b5baa8f?url=http%3A%2F%2Flists.mailscanner.info%2Fmailman%2Flistinfo%2Fmailscanner&userId=2636895&signature=b9d4ffab8ed1efb1" rel="noreferrer" target="_blank">http://lists.mailscanner.info/mailman/listinfo/mailscanner</a><br>
<br>
</blockquote></div></div>