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Access 'trusted user' tools
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Jun
19
revised Why are many mail servers using subdomains like mail.example.com?
Update TLS failures notes.
Jun
14
revised Using public ntp servers for backup to local stratum 1 server
Fix typo
Jun
13
revised Where do these “single-dot” smtp connection failures come from?
Complete response
Jun
4
revised CentOS 5.5 32 bit “service ntpd restart” issue or not?
deleted 2 characters in body
May
28
revised Limiting memory and CPU usage per httpd.worker, with apache/mod-wsgi?
Add responses to comments.
May
19
revised Block brute force attacks on exim2
Clarify
May
10
revised Using public ntp servers for backup to local stratum 1 server
Add details re e-mail
May
3
revised Spam delivered by mx.google.com despite SPF fail
added 1 character in body
May
1
revised fail2ban keeps trying to ban again
Replace with tested script
May
1
revised fail2ban keeps trying to ban again
added 666 characters in body
Apr
22
revised SPF records clarification of using A mechanism
deleted 3 characters in body
Apr
7
revised sendmail/exim4 two servers one is send-only
deleted 1 character in body
Apr
3
revised Tomcat CPU and GC going crazy
deleted 12 characters in body
Mar
13
revised Subdomain with different ip on same server
Add use case for test environments.
Mar
13
revised Subdomain with different ip on same server
Clarify first case.
Mar
4
revised Are separate dns records necessary for web and mail on a single server?
Fix typo
Mar
4
revised In SMTP, how does one choose between “Accept than Bounce” vs “Bounce at the edge”?
Clarify
Mar
4
revised SPF - should I implement?
Fix typo
Mar
4
revised Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?
Fix typo
Mar
3
revised Understanding Postfix Mail Log
edited body