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- # No one will use these in helo command.
- /^(localhost)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /^(localhost.localdomain)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(\.local)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- # Reject who use IP address as helo.
- # Correct: [xxx.xxx.xxx.xxx]
- # Incorrect: xxx.xxx.xxx.xxx
- /^([0-9\.]+)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server sent non RFC compliant HELO identity (${1})
- #
- # This is the real HELO identify of these ISPs:
- # sohu.com websmtp.sohu.com relay2nd.mail.sohu.com
- # 126.com m15-78.126.com
- # sina.com mail2-209.sinamail.sina.com.cn
- # gmail.com xx-out-NNNN.google.com
- /^(126\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server seems to be impersonating another mail server (${1})
- /^(sohu\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server seems to be impersonating another mail server (${1})
- /^(gmail\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server seems to be impersonating another mail server (${1})
- /^(google\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server seems to be impersonating another mail server (${1})
- /^(yahoo\.com\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server seems to be impersonating another mail server (${1})
- /^(yahoo\.co\.jp)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server seems to be impersonating another mail server (${1})
- # Spammers.
- /^(728154EA470B4AA\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(taj-co\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(CF8D3DB045C1455\.net)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(dsgsfdg\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(se\.nit7-ngbo\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(mail\.goo\.ne\.jp)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(n-ong_an\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(meqail\.teamefs-ine5tl\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(zzg\.jhf-sp\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(din_glo-ng\.net)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(fda-cnc\.ie\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(yrtaj-yrco\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(m\.am\.biz\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(xr_haig\.roup\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(hjn\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(we_blf\.com\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(netvigator\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(mysam\.biz)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(mail\.teams-intl\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(seningbo\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(nblf\.com\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(kdn\.ktguide\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(zzsp\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(nblongan\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(dpu\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(nbalton\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(cncie\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(xinhaigroup\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(wz\.com)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /(\.zj\.cn)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /(\.kornet)$/ REJECT ACCESS DENIED. Your email was rejected because it appears to come from a known spamming mail server (${1})
- /^(dsldevice\.lan)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /^(system\.mail)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /^(speedtouch\.lan)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- # Reject adsl spammers.
- # match word `adsl` with word boundary `\b`.
- /(\badsl\b)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- # bypass "[IP_ADDRESS]"
- /^\[(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\]$/ OK
- # Bypass HELOs used by known big ISPs which contains IP address
- /\.outbound-(email|mail)\.sendgrid\.net$/ OK
- /^\d{1,3}-\d{1,3}-\d{1,3}-\d{1,3}\.mail-.*\.facebook\.com$/ OK
- /^outbound-\d{1,3}-\d{1,3}-\d{1,3}-\d{1,3}\.pinterestmail\.com$/ OK
- /\.outbound\.protection\.outlook\.com$/ OK
- /^ec2-\d{1,3}-\d{1,3}-\d{1,3}-\d{1,3}\..*\.compute\.amazonaws\.com$/ OK
- /^out\d{1,3}-\d{1,3}-\d{1,3}-\d{1,3}\.mail\.qq\.com$/ OK
- # reject HELO which contains IP address
- /(\d{1,3}[\.-]\d{1,3}[\.-]\d{1,3}[\.-]\d{1,3})/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(\d{1,3}\.ip\.-\d{1,3}-\d{1,3}-\d{1,3}\.eu)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(pppoe)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(dsl\.brasiltelecom\.net\.br)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(dsl\.optinet\.hr)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(dsl\.telesp\.net\.br)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(dialup)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(dhcp)/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(static-pool-[\d\.-]*\.flagman\.zp\.ua)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(speedy\.com\.ar)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(speedyterra\.com\.br)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(static\.sbb\.rs)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(static\.vsnl\.net\.in)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (${1})
- /(advance\.com\.ar)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(airtelbroadband\.in)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(bb\.netvision\.net\.il)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(broadband3\.iol\.cz)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(cable\.net\.co)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(catv\.broadband\.hu)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(chello\.nl)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(chello\.sk)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(client\.mchsi\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(comunitel\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(coprosys\.cz)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(dclient\.hispeed\.ch)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(dip0\.t-ipconnect\.de)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(domain\.invalid)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(dyn\.centurytel\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(embarqhsd\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(emcali\.net\.co)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(epm\.net\.co)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(fibertel\.com\.ar)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(freedom2surf\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(hgcbroadband\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(HINET-IP\.hinet\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(infonet\.by)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(is74\.ru)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(kievnet\.com\.ua)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(metrotel\.net\.co)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(nw\.nuvox\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(pldt\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(pool\.invitel\.hu)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(pool\.ukrtel\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(pools\.arcor-ip\.net)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(pppoe\.avangarddsl\.ru)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(retail\.telecomitalia\.it)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(revip2\.asianet\.co\.th)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(tim\.ro)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(tsi\.tychy\.pl)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(ttnet\.net\.tr)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(tttmaxnet\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(user\.veloxzone\.com\.br)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(utk\.ru)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(veloxzone\.com\.br)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(virtua\.com\.br)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(wanamaroc\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(wbt\.ru)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(wireless\.iaw\.on\.ca)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(business\.telecomitalia\.it)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(cotas\.com\.bo)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(marunouchi\.tokyo\.ocn\.ne\.jp)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(amedex\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /(aageneva\.com)$/ REJECT ACCESS DENIED. Your email was rejected because the sending mail server does not identify itself correctly (${1})
- /^ylmf-pc/ REJECT ACCESS DENIED
- /(\.*wideragents\.com)$/ REJECT ACCESS DENIED (${1})
- /(\.*resumekeep\.net)$/ REJECT ACCESS DENIED (${1})
- /(\.*terracedrink\.com)$/ REJECT ACCESS DENIED (${1})
- /(\.*sincemessage\.com)$/ REJECT ACCESS DENIED (${1})
- /(\.*ordertranquility\.com)$/ REJECT ACCESS DENIED (${1})
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