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    Question Securing Email

    We are having problems with email being sent from our server that is considered Spam. I am the only user running on the server which is being used for websites, sending subscription email via mailman and a few other admin emails from Cron and the like. We believe the Spam is a result of a Hack...
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    Resolved Port 25 SMTP Nessus Scan Report

    We did a Nessus Scan of our server this evening. We have a couple of issues associated with port 25/tcp (smtp): 51192 - SSL Certificate Cannot Be Trusted 57582 - SSL Self-Signed Certificate We have a wildcard certificate for the primary domain loaded onto the server. It is used two places...
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    Send from domain IP addresses and use domain names in SMTP greeting

    TITLE: Send from domain IP addresses and use domain names in SMTP greeting PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE: CentOS Linux 7.3.1611 (Core)‬ 12.5.30 Update #62 PROBLEM DESCRIPTION: We set the following option in Mail Settings at the server level: "Send from domain IP addresses and...
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    psa-pc-remote: Error during 'dd51-domainkeys' handler

    TITLE: psa-pc-remote: Error during 'dd51-domainkeys' handler PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE: Plesk 12.5.30 Update #61 on CentOS 7 PROBLEM DESCRIPTION: We recently moved from RHEL 6/Plesk to the software stated above. We Did Not Use the migration tools provided in Plesk. We...
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    Issue psa-pc-remote: Error during 'dd51-domainkeys' handler

    I'm running: 12.5.30 Update #61 on CentOS 7 We are using mailman for a subscription mailing list under Plesk -- "enable mailing lists" is set with three subscription lists created. We turned on "Use DomainKeys spam protection system to sign outgoing email messages" for the domain last night...
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    Issue mailman case folding after postfix update

    We are running 12.5.30 Update #45. This morning we were not able to send email from any of our mailman distribution lists. This seems to be related to a postfix update that took place last night. We ran into the case folding issue after a postfix update described here in 2010...
    • Greg Sims
    • Thread
    • case folding defect flags=ru issue mailman master.cf no email sent plesk 12.5 postfix postfix update
    • Replies: 0
    • Forum: Plesk 12.x for Linux
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    FTP and Firewall

    Hi There, We are using the standard FTP package, the Firewall Module and a server that is not behind any other firewall. I created a FTP site for one of our domains and everything works well for me. My IP address is configured in the firewall to allow access to Any Port of the server (admin...
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    Apache DoS Attack Solution

    Hi There, Our site hosts a large number of .mp3 files. We're having problems with download software that generates a large number of requests (up to the maximum allowed on our box -- now 256) all from the same ip address. This frustrates other users that can't access the site for hours at a...
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    Mailman Install Problem

    Hi There, I installed Mailman from the Plesk 8.0.1 control panel and was able to access the web GUI for mailman. I created the list [email protected] which seemed to go OK. I added one email address to the testing list and logged out of the GUI. I sent an email to [email protected] and...
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    Spamassassin Dependency Unresolved

    I'm having trouble with the Qmail service going offline with 8.1. I ran up2date -u to make sure everything was OK with the software configuration and found the following error: Unresolvable chain of dependencies: psa-spamassassin-8.1.0-rhel3.build810611 requires spamassassin >= 3.0.0 I...
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    relaylock in Qmail Logs

    Hi All, I'm looking at the Qmail logs and seeing a number of relaylock entries. Here is a typical entry: relaylock: /var/qmail/bin/relaylock: mail from 70.84.160.108:64892 (6c.a0.5446.static.theplanet.com) I searched the internet and qmail.org for "relaylock" and found nothing. What...
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    mp3 transfer -- apache log analysis

    We have been having some server HTTP alerts from our monitoring system. I did some research in the apache access_logs and see a behavior that I don't understand. I pulled some data this morning in hopes that you could help me understand what is happening here and how to potentially correct it...
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