Cloud Insidr

Cybersecurity in the Age of the Machine

  • Subscribe!
  • Privacy Policy
  • Legal
  • Contact Us

Join us on Twitter: @CloudInsidr

  • news & alerts
    • events
    • industry analysis
    • industry gossip
    • people
  • cloud, edge & co.
    • AWS
    • administration & orchestration
      • web servers in the cloud
      • mail servers
      • databases
  • cybersec & warfare
    • encryption
  • blockchain
Home Archives for anti-spam defense
Optimizing Postfix access maps to block incoming spam based on sender’s address

Cloud Insidr 2016-08-11 Leave a Comment

Optimizing Postfix access maps to block incoming spam based on sender’s address

Here is how you can improve your Postfix access maps in order to block incoming spam based on sender’s address.

[Read more…]

Filed Under: administration and orchestration, mail servers Tagged With: anti-spam defense, postfix, postmap, smtpd, spam

Tip of the Day: How to Extract Domain Names from Email Addresses using Regular Expressions (RegEX)

Cloud Insidr 2015-11-26 1 Comment

Tip of the Day: How to Extract Domain Names from Email Addresses using Regular Expressions (RegEX)

Extracting domain names from email addresses with the help of regular expressions takes just a nanosecond once you have the formula. The formula is the key.

[Read more…]

Filed Under: administration and orchestration, mail servers Tagged With: anti-spam defense, Notepad++, RegEx, regular expression

Subscribe

SSL/TLS Certificate Square (250 x 250)

Tag Cloud

AWS AWS Billing Dashboard AWS Config AWS Cost Explorer AWS EBS AWS Resource Explorer AWS Tag Editor AWS Trusted Advisor cipher suites cyber security Diffie-Hellman EBS EC2 ECDHE Five Eyes Alliance FLAME HSTS HTTP/2 Java Linux Log4j NGINX NVMe PHP RCE Route 53 SELinux SHA-1 SHA-2 SQL SSL TLS

Pearson Education (InformIT)

SSL/TLS Certificate Medium Rectangle (300 x 250)

©2022 CybrAnalytiqa OÜ

  • Content purchasing and syndication