{% if 'letsencrypt' in group_names %}
# TLS server parameters
-smtpd_tls_cert_file=/etc/ssl/mycerts/letsencrypt/live.crt+chain
+smtpd_tls_cert_file=/etc/ssl/mycerts/letsencrypt/live.crt
smtpd_tls_key_file=/etc/ssl/private/letsencrypt/live.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_security_level = may
# misc
smtpd_delay_reject = yes
disable_vrfy_command = yes
-recipient_delimiter = +_
+recipient_delimiter = {{ postfix.recipient_delimiter | default("+") }}
delay_warning_time = 4h
message_size_limit = 21384000