3 votes

SPF failing even though source IP is in the SPF record

The SPF "fail" under "policy_evaluated" in the DMARC report indicates a mismatch between the DMARC domain (from the "From" header) and the SPF domain (from the "...
Andreas's user avatar
  • 56
1 vote
Accepted

AWS-SES sending from one site, from is another site - will DMARC help or hurt

This issue shouldn't be related to DMARC. It's likely that there's a problem with the emails you are sending. Gmail is generally more tolerant of malformed emails than Yahoo Mail and Outlook. For ...
Andreas's user avatar
  • 56
1 vote
Accepted

Grafana - Have a View Panel button on email notification

It is not possible to have buttons if using a custom template for notifications as stated here : https://github.com/grafana/alerting/issues/177#issuecomment-2027433668
Ror's user avatar
  • 343
1 vote

postfix bounce_queue_lifetime and maximal_queue_lifetime

For what I understood by reading the postconf (https://www.postfix.org/postconf.5.html): --> maximal_queue_lifetime is the maximum lifetime for a "regular" mail. Hence, it is applied to ...
sqrt-1's user avatar
  • 47
1 vote

Too many connect from unknown postfix

The root cause of the "problem" (which is not actually a problem) is that Postfix will log connect from unknown[IP] when it fails FCrDNS. This means Postfix tries to first look up the PTR ...
jpiddle888's user avatar
1 vote

How to find and edit the file for fail2ban to change the email address it's using to send banned IPs to

Fail2Ban typically stores its configuration files in the /etc/fail2ban directory. Within this directory, you'll find various configuration files. The main configuration file is usually named jail.conf ...
user149264's user avatar

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