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Announcement

Power maintenance September 19, 2005

Samat - Monday, September 19, 2005 - 07:41 Tags: • 

There is scheduled power maintenance at the Savvis Datacenter on September 19, 2005, from 11 PM to 3 AM mountain time. caligula and apophis will be shut down during this time as a preventive measure, and services provided by both these machines will be unavailable. Services provided by other machines in our network will remain available. Status update: completed.

anubis network issues earlier this weekend

Samat - Sunday, September 4, 2005 - 12:36 Tags: • 

There were issues with anubis’s network connection earlier this weekend. They’ve now been fixed.

Greylisting enabled in an effort to reduce spam

Samat - Tuesday, August 30, 2005 - 18:27 Tags:

Greylisting has been enabled on Nabla Design’s e-mail servers.

We’re closely monitoring how this affects our e-mail services. Hopefully it will reduce the spam our customers receive immensely.

More on spam filtering: SPF disabled, greylisting probationary

Samat - Friday, August 12, 2005 - 00:40 Tags:

After some concerns voiced by clients we’ve disable the SMTPd implementation of SPF, and will probably do so until it is more mainstream and less controversal. It however is still available as a SpamAssassin rule whose score can be configured.

Also after some concerns about greylisting, we’ve decided to run it in a “training” period to minimize downtime. After we believe training has been sufficient and we’ve received no complaints it will be turned on in full.

More aggressive spam filtering

Samat - Thursday, August 11, 2005 - 23:09 Tags:

There have been many changes made to Nabla Design’s main e-mail server tonight to reduce the already small amount of spam our customers get. Some of these measures include:

  • SMTPd-side RBL checking against fairly conservative RBLs: previously we were relying on SpamAssasin’s RBL checking only
  • HELO filtering
  • Greylisting
  • Sender Policy Framework checking

Our setup so far has been running without problems. If you do encounter a problem please contact our technical support.

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