Change Details

**Activity** - Apply mailserver role to push D3553 to Postfix - Start DKIM process - Restart Postfix - Validate DKIM is correctly used **Validation** - Can we validate external mails? -- Send mail from gmail to Nasqueron - Can we sign our mails? -- Send mail from Nasqueron to gmail --- Should contain the DKIM signature --- DKIM signature should pass If any of those two fails, rollback. **Rollback procedure** To rollback, it's enough to instruct Postfix not to use milter anymore. - Revert D3553 on rOPS - Reapply mailserver role - Restart Postfix

**Activity** - Apply mailserver role to push D3553 to Postfix - Start DKIM process - Restart Postfix - Validate DKIM is correctly used **What to look for?** - Mail logs: /var/log/maillog - Grafana dashboard: https://grafana.nasqueron.org/d/h36Havfik/postfix-legacy-dashboard **Validation** - Can we validate external mails? -- Send mail from gmail to Nasqueron - Can we sign our mails? -- Send mail from Nasqueron to gmail --- Should contain the DKIM signature --- DKIM signature should pass If any of those two fails, rollback. **Rollback procedure** To rollback, it's enough to instruct Postfix not to use milter anymore. - Revert D3553 on rOPS - Reapply mailserver role - Restart Postfix

**Activity** - Apply mailserver role to push D3553 to Postfix - Start DKIM process - Restart Postfix - Validate DKIM is correctly used **What to look for?** - Mail logs: /var/log/maillog - Grafana dashboard: https://grafana.nasqueron.org/d/h36Havfik/postfix-legacy-dashboard **Validation** - Can we validate external mails? -- Send mail from gmail to Nasqueron - Can we sign our mails? -- Send mail from Nasqueron to gmail --- Should contain the DKIM signature --- DKIM signature should pass If any of those two fails, rollback. **Rollback procedure** To rollback, it's enough to instruct Postfix not to use milter anymore. - Revert D3553 on rOPS - Reapply mailserver role - Restart Postfix