Problems with spoof, SPF
What is Email Spoofing?Email spoofing is when the email header's "From:" line is modified to something other than the actual original sender. A common sign that your email address is being spoofed is getting tons of spam return messages (like Failure Notification or Mailer Daemon) for emails you never sent. One of the features of a standard SMTP ... weiterlesen »
15. Mär 2019
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