Jinja2 spacing could be improved: /(hi|hello|dear) ( {%- set mail_users = ['root','postmaster','abuse','hostmaster','webmaster','dmarc-reports'] %} {%- for user in users | default( [] ) %} {%- set mail_users = mail_users.append( user['name'] ) %} {%- endfor %} {{- mail_users | join('|') -}} )@( {%- set domains = \[mailserver_domain] %} {%- for domain in custom_domains | default( [] ) %} {%- set domains = domains.append( domain ) %} {%- endfor %} {{- domains | join('|') -}} )/i

Jinja2 spacing could be improved: Subject =~ /( {%- set mail_users = ['root','postmaster','abuse','hostmaster','webmaster','dmarc-reports'] %} {%- for user in users | default( [] ) %} {%- set mail_users = mail_users.append( user['name'] ) %} {%- endfor %} {{- mail_users | join('|') -}} )@( {%- set domains = \[mailserver_domain] %} {%- for domain in custom_domains | default( [] ) %} {%- set domains = domains.append( domain ) %} {%- endfor %} {{- domains | join('|') -}} )/i

Jinja2 spacing could be improved: To =~ /( {%- set domains = \[mailserver_domain] %} {%- for domain in custom_domains | default( [] ) %} {%- set domains = domains.append( domain ) %} {%- endfor %} {{- domains | join('|') -}} )/

Jinja2 spacing could be improved: {{ ldap_user_attributes | combine({'mailAlternateAddress': user.old_imap_mail.user})}} -> {{ ldap_user_attributes | combine({'mailAlternateAddress': user.old_imap_mail.user}) }}

Jinja2 spacing could be improved: {{ ldap_user_attributes | combine({'alias': email_aliases})}} -> {{ ldap_user_attributes | combine({'alias': email_aliases}) }}

Jinja2 spacing could be improved: <RequireAny>