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Sending email from applications

What is an application ?

By application we mean any of the following:

  • Self-written application
  • Self-hosted application (not written in-house)
  • SaaS (Software-as-a-Service, or cloud service)

App running on a Puppet-controlled server/VM​

Configure the application to send email locally. If the application is using its programming language's generic email-sending functions, this is probably already the case. If not, you should configure your application to use localhost as mailserver (SMTP server).

App running on a custom server/VM/appliance​

If your app is:

  • not running on a Puppet-controlled server
  • has a stable IPv4 and/or (preferrably) IPv6 address
  • receives patches regularly (no install-and-forget)
  • is monitored for suspicious activity

Then we can whitelist its IP. Contact hjelp@sikt.no and supply the following information:

  • Application name
  • Application purpose
  • IPv4 address
  • IPv6 address
  • Name of owning team
  • Contact information (how to contact the owning team - email? Team? Slack?)

When the whitelisting is in place, you can use this SMTP server: outbound-mta.it.sikt.no

Cloud service or app running in the cloud somewhere​

To send email from an app in the cloud, you will probably need to use credentials (username and password).

Unfortunately, we don't support this. Contact InternIT on hjelp@sikt.no, maybe they can help.