# Postfix configuration for Personal Internet Cell
myhostname = mail.cell
mydomain = cell
myorigin = $mydomain

# Network settings
inet_interfaces = all
inet_protocols = ipv4

# Mailbox settings
home_mailbox = Maildir/
mailbox_command =

# Authentication
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain = $myhostname

# TLS settings
smtpd_tls_cert_file = /etc/ssl/certs/mail.crt
smtpd_tls_key_file = /etc/ssl/private/mail.key
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# Relay settings
relay_domains = cell, *.cell
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination

# Virtual domains
virtual_mailbox_domains = cell
virtual_mailbox_base = /var/mail/vhosts
virtual_mailbox_maps = hash:/etc/postfix/vmaps
virtual_alias_maps = hash:/etc/postfix/vmaps

# Security
disable_vrfy_command = yes
strict_rfc821_envelopes = yes