Sysadmin Today #51: SPF, DKIM & DMARC

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In this episode, I am going to focus on SPF, DKIM & DMARC. Please visit https://sysadmintoday.com to subscribe.

Host: Paul Joyner
Email: paul@sysadmintoday.com
Facebook: https://www.facebook.com/sysadmintoday
Twitter: https://twitter.com/SysadminToday


Show Links

SysAdmin Show
http://sysadminshow.com/

SPF Best Practices
https://www.socketlabs.com/blog/best-practices-sender-policy-framework-spf/

DMARC Analyzer
https://dmarcian.com/

SPF Validation Tool
https://dmarcian.com/spf-survey/

DKIM Best Practices
https://www.socketlabs.com/blog/best-practices-dkim/

DMARC Explained
https://www.sparkpost.com/resources/email-explained/dmarc-explained/

DMARC Alignment Mode Explained
https://help.returnpath.com/hc/en-us/articles/224236627

Setting up DKIM for SalesForce
https://www.youtube.com/watch?v=UfbeJ_4I24I

Please Support the Channel
https://www.patreon.com/sysadmintoday

Sysadmin Today #44: WAF, VLANs, DNS & Office 365 Auditing

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In this episode, I will discuss WAF, VLANs, DNS and Office 365 Auditing.

Host: Paul Joyner
Email: paul@sysadmintoday.com
Facebook: https://www.facebook.com/sysadmintoday
Twitter: https://twitter.com/SysadminToday


Microsoft SharePoint Migration Tool
https://docs.microsoft.com/en-us/sharepointmigration/introducing-the-sharepoint-migration-tool

Setting up Azure Web Application Firewall
https://docs.microsoft.com/en-us/azure/application-gateway/application-gateway-web-application-firewall-portal

About The Open Web Application Security Project

https://www.owasp.org/index.php/About_The_Open_Web_Application_Security_Project

DNS Made Easy Failover Tutorials
http://help.dnsmadeeasy.com/dns-failover/configure-dns-failover/

Enabling Office 365 mailbox auditing
https://support.office.com/en-us/article/turn-office-365-audit-log-search-on-or-off-e893b19a-660c-41f2-9074-d3631c95a014

Please Support the Channel
https://www.patreon.com/sysadmintoday   



Sysadmin Today #42: VMware, MS Audit, AD & Security

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In this episode, I will share recent events involving VMware, Microsoft, and Security.

Host: Paul Joyner
Email: paul@sysadmintoday.com
Facebook: https://www.facebook.com/sysadmintoday
Twitter: https://twitter.com/SysadminToday


Show Links

Group Policy Item Level Targeting
http://techgenix.com/Group-Policy-Preferences-Understanding-Implementing-Item-Level-Targeting/

Microsoft Baseline Security Analyzer 2.3

https://www.microsoft.com/en-us/download/details.aspx?id=7558

OpenVAS (Open Source Vulnerability Scanner)
http://www.openvas.org/vm.html

Please Support the Channel
https://www.patreon.com/sysadmintoday   



Sysadmin Today #38: Email Security

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In this episode, I will discuss email security best practices.

Host: Paul Joyner
Email: paul@sysadmintoday.com
Facebook: https://www.facebook.com/sysadmintoday
Twitter: https://twitter.com/SysadminToday


Show Links

Podnutz Episode discussing Automation
http://podnutz.com/podnutz273/

Reverse DNS Checker
https://www.debouncer.com/reverse-dns-check?attempt=1

SPF, DKIM & DMARC Information
https://blogs.technet.microsoft.com/fasttracktips/2016/07/16/spf-dkim-dmarc-and-exchange-online/

Exchange 2016 Anti-Spam Setup
http://msexchangeguru.com/2017/08/08/exchange-2016-anti-spam-configuration/

Exchange 2013 Anti-Spam Setup
http://techgenix.com/anti-spam-and-anti-malware-protection-exchange-2013-part1/

Exchange 2010 Anti-Spam Setup
http://www.mustbegeek.com/configure-anti-spam-agents-in-exchange-2010/

How to Create a rule to prevent spoofing
https://www.intrust-it.com/2015/10/14/use-mail-rules-in-office-365-to-tag-emails-with-spoofed-senders/

Preparing for the mandatory use of TLS 1.2 in Office 365
https://support.microsoft.com/en-us/help/4057306/preparing-for-tls-1-2-in-office-365

Encrypted Messaging
https://pixelprivacy.com/resources/encrypted-messaging/

RBL List
Spam Cop:          bl.spamcop.net
Surriel:                psbl.surriel.com
Spamhaus:         zen.spamhaus.org
Sorbs:                  dnsbl.sorbs.net
Barracuda:          b.barracudacentral.org


Please Support the Channel
https://www.patreon.com/sysadmintoday   



Sysadmin Today #37: User Management

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In the episode, I will share my thoughts on user management.

Host: Paul Joyner
Email: paul@sysadmintoday.com
Facebook: https://www.facebook.com/sysadmintoday
Twitter: https://twitter.com/SysadminToday


Show Links

AD Manage Plus
https://www.manageengine.com/products/ad-manager/

Office 365 Offboarding script
https://gallery.technet.microsoft.com/office/Staff-Off-Boarding-Script-430bdd0a

Please Support the Channel
https://www.patreon.com/sysadmintoday   



Sysadmin Today #14: Server & Network Maintenance

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In this episode, we will review setting up a maintenance and renewal schedule. This will include Server, SAN, Network, AD, OS and Application maintenance.

Host: Paul Joyner
Email: paul@sysadmintoday.com
Facebook: https://www.facebook.com/sysadmintoday
Twitter: https://twitter.com/SysadminToday 

Click below to download the Server & Network Maintenance Checklist Guide!
Maintenance Checklist

Check out the site’s new resource page!
https://sysadmintoday.com/resources/ 

Replmon & Repadmin Info
https://blogs.technet.microsoft.com/askds/2009/07/01/getting-over-replmon/
https://virtualizationmaximus.wordpress.com/2014/09/15/run-replmon-on-windows-server-2008-r2-2012-r2-windows-7-8-8-1-without-installing-windows-server-2003-support-tools-2/

Please Support the Channel
https://www.patreon.com/sysadmintoday