Bookmarks for 19 lug 2012 through 20 lug 2012

These are my links for 19 lug 2012 through 20 lug 2012:

  • Mail server statistics – The statistics are based on completely anonymous information and were performed using randomly chosen IP addresses. When connecting to a mail server defined as an MX in the domain configuration, it can reply in a different number of ways. It may not be online, or may be refusing connections. Also, it is possible that the server does not respond back with a "220" line within the period of time we wait, nor provide a banner that identifies the type of the software running on it, at all times.
  • Setting up backup mail exchange server with sendmail « Building systems that WORK – Setting up backup mail exchange server with sendmail

    Most systems admin is used to setting up the primary mail server, but many of them (like me) are not used to setup a backup mail server in a regular basis. This is my attempt to create a complete document on setting up a backup mail server and testing it for the dooms day. […]

  • Migrate website content using ssh + tar (quick and easy) « my two cents – There are times when you cannot create an intermediate tarball when moving your website due to lack of disk space. There are other times when you wanna be smart

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