Um noch eine SMTP Auth anzubieten um seine Clients beim Versenden zu authentifieren müssen folgende Dateien so verändert werden: **main.cf** [[!format txt """ myhostname = mail.hostname.com myorigin = /etc/mailname alias_maps = $alias_database virtual_mailbox_domains = hash:/etc/postfix/virtual_domains virtual_mailbox_base = /srv/vmail virtual_alias_maps = hash:/etc/postfix/virtual_maps #virtual_minimum_uid = 101 virtual_uid_maps = static:5000 virtual_gid_maps = static:5000 virtual_transport = dovecot virtual_mailbox_limit = 10240000 # dovecot_destination_recipient_limit = 1 mydestination = localhost mynetworks = 127.0.0.0/8 smtpd_banner = $myhostname ESMTP Mailserver home_mailbox = mails/ # Zertifikate für SMTP smtpd_tls_cert_file = /etc/postfix/mail.cert smtpd_tls_key_file = /etc/postfix/mail.key # SMTP Einstellungen smtpd_use_tls = yes #tpd_enforce_tls = no smtpd_tls_auth_only = no # SALS Auth für Dovecot smtpd_sasl_auth_enable = yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous smtpd_sasl_local_domain = smtp_sasl_auth_enable = no broken_sasl_auth_clients = yes # Mailbox Einstellungen mailbox_size_limit = 512000000 message_size_limit = 104857600 # Antispam Confis smtpd_helo_required = yes smtpd_helo_restrictions = reject_invalid_hostname smtpd_recipient_restrictions = permit_mynetworks, reject_unknown_recipient_domain, permit_sasl_authenticated, reject_unauth_destination smtpd_sender_restrictions = reject_unknown_address smtpd_client_restrictions = reject_invalid_hostname strict_rfc821_envelopes = yes """]] **Diese Zeile in der master.cf** [[!format txt """ smtp inet n - n - - smtpd """]] **dovecot.conf** [[!format txt """ base_dir = /var/run/dovecot/ # log_path = /var/log/dovecot.log protocols = imap ssl_disable = no verbose_proctitle = yes #first_valid_uid = 3000 #last_valid_uid = 3000 #first_valid_gid = 8 #last_valid_gid = 8 #valid_chroot_dirs = /var/mail mail_location = maildir:~/Maildir maildir_copy_with_hardlinks = yes disable_plaintext_auth = yes protocol imap { } # auth_verbose = yes auth default { socket listen { client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = postfix } master { path = /var/run/dovecot/auth-master mode = 0600 user = vmail group = vmail } } mechanisms = plain passdb passwd-file { args = /etc/dovecot/dovecot.passwd } passdb pam { } userdb static { args = uid=vmail gid=vmail home=/srv/vmail/%u } } protocol lda { postmaster_address = postmaster@hostname.com } """]]