spam

  1. POP3 with Fetchmail scores each mail with RDNS_NONE(1.274)

    When collecting mails via fetchmail, all mails are rated with a score of 1.274. Message in Quarantine: Delivered to internal network by a host with no rDNS. All IPs and domains can be resolved. 127.0.0.1 to localhost. How to fix or disable rdns lookup in case of fetchmail? Thanks in advance...
  2. Same email (spam), one is quarantined, one is delivered

    I have a weird problem and I don't know how to solve it. I am seeing emails start to come through where one email for a user @domainA.com gets quarantined, but the same email for a user @domainB.com gets delivered. I don't know what to do in order to solve this. Quarantined Email: Sep 02...
  3. DNSBL is not working as well as expected

    I have DNSBL Sites set to b.barracudacentral.org,zen.spamhaus.org with DNSBL Threshold set to 1. Yet we continue to get spam from IP addresses that, according to mxtoolbox.com are on one or both of those lists. We are seeing a lot of spammers out there now that have legitimate DKIM and SPF, so...
  4. "MAIL FROM" vs. "From"-Header in Data section - faked From address SPAM

    Hi! As also posted here[1] we are receiving spam with a valid MAIL-FROM address (e.g. MAIL FROM: foobar@spammerexample.com + valid SPF for ip/domain e.g. via google mail), but the From-Header in the Data part of the SMTP conversation is set to e.g "legitlooking@mx1.mydomain.com". So from the...
  5. Spam getting through

    Hi all, I'm starting to have an issue where it appears that people sending spam are using the PMG servers to send. For instance, once person this morning got an email that was sent from the PMG directly: From: Faucher@mx1.digidns.ca, the PMG is mx.digidns.ca and mx1.digidns.ca Question is...
  6. Viewing Quarantined attachments?

    Hi everyone, I'm looking into implementing PMG for our business, currently in the testing stages. I have a quick question that I've not been able to find an answer too. Is there a way to view/download quarantined email attachments so they can be investigated further? This would be really...
  7. Phising Emails

    I am trying to figure out why some emails are not getting stopped by the spam filter and am looking for some help and guidance from the community. We have some emails from a domain: unitecreative.ca who’s been complaining about phishing scams getting through roughly once to twice a day. The...
  8. Spam Quarantine - releasing by sender

    Greetings, Imagine that user@gmail.com sends a message to 20 users. Message gets high SA score and is moved to spam quarantine. You are the admin and needs to release it. First, you need to track the message, write down all the receivers, go to spam quarantine and use that drop down E-mail...
  9. BelCloud

    Filtering/Rate-limiting Outgoing SPAM

    Recently we've had issues with some spammers in our network and i am looking for solutions. Unfortunately, i haven't found much information regarding this subject, but i would like to share what i have found and to hope you can also share other solutions. We are selling both containers and...

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