search for: reject_unlisted_sender

Displaying 5 results from an estimated 5 matches for "reject_unlisted_sender".

2019 Dec 29
1
Dovecot Postfix MySQL Authentication Issues
...y_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unlisted_sender, permit smtpd_tls_auth_only = yes smtpd_tls_cert_file = /usr/local/etc/ssl/more/server.crt smtpd_tls_key_file = /usr/local/etc/ssl/more/server.key smtpd_tls_loglevel = 0 smtpd_tls_mandatory_protocols = !SSLv2,!SSLv3 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s smtpd_use_t...
2015 Feb 24
0
Conditional SASL authentication
...irus doesn't necessarily use the e-mail of the > user as its from, just the user and password for the > authentication phase so you allow random envelope senders on your servers? why? smtpd_recipient_restrictions = permit_mynetworks reject_non_fqdn_recipient reject_non_fqdn_sender reject_unlisted_sender reject_authenticated_sender_login_mismatch permit_sasl_authenticated reject -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: OpenPGP digital signature URL: <http://dovecot.org/pipermail/...
2012 Oct 18
2
Emails from invalid local accounts
Hi, I'm using dovecot 1.2.9 in a postfix/dovecot setup and I'm having issues with receiving spam where the "from" header contains an address like accounting at mydomain.com. Is there some way I can filter out these emails coming from outside our network with an account associated with our network which doesn't exist? Do I just need to configure some custom process to
2015 Feb 24
8
Conditional SASL authentication
Hello, I have a few users that are often hit by a trojan virus that steals e-mail user and password. Having a very little (if not null) power on their machines, I need to be able to block the outgoing mail wich is handled by postfix via dovecot SASL. Blocking it at dovecot level would be optimal, for the virus doesn't necessarily use the e-mail of the user as its from, just the user and
2019 Aug 11
2
dovecot-lmtp and postfix
..._recipient, reject_unauth_destination, reject_unknown_recipient_domain, check_recipient_access hash:/opt/local/etc/postfix/filtered_domains smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unlisted_sender, reject_non_fqdn_sender, reject_unknown_sender_domain smtputf8_enable = no strict_rfc821_envelopes = yes unknown_local_recipient_reject_code = 550 virtual_alias_maps = pgsql:/opt/local/etc/postfix/postfix_virtual_aliases.cf virtual_mailbox_domains = pgsql:/opt/local/etc/postfix/postfix_virtual_doma...