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Don't make autoconfig/autodiscover subdomains and SRV records when the parent domain has no user accounts

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These subdomains/records are for automatic configuration of mail clients, but if there are no user accounts on a domain, there is no need to publish a DNS record, provision a TLS certificate, or create an nginx server config block.
This commit is contained in:
Joshua Tauberer
2020-06-05 13:45:50 -04:00
parent df9bb263dc
commit e03a6541ce
4 changed files with 31 additions and 23 deletions
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8
management/web_update.py
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@@ -24,13 +24,13 @@ def get_web_domains(env, include_www_redirects=True, exclude_dns_elsewhere=True)
# the topmost of each domain we serve.
domains |= set('www.' + zone for zone, zonefile in get_dns_zones(env))
# Add Autoconfiguration domains, allowing us to serve correct SSL certs.
# Add Autoconfiguration domains for domains that there are user accounts at:
# 'autoconfig.' for Mozilla Thunderbird auto setup.
# 'autodiscover.' for Activesync autodiscovery.
domains |= set('autoconfig.' + maildomain for maildomain in get_mail_domains(env))
domains |= set('autodiscover.' + maildomain for maildomain in get_mail_domains(env))
domains |= set('autoconfig.' + maildomain for maildomain in get_mail_domains(env, users_only=True))
domains |= set('autodiscover.' + maildomain for maildomain in get_mail_domains(env, users_only=True))
# 'mta-sts.' for MTA-STS support.
# 'mta-sts.' for MTA-STS support for all domains that have email addresses.
domains |= set('mta-sts.' + maildomain for maildomain in get_mail_domains(env))
if exclude_dns_elsewhere: