Roger Håkansson wrote: > I've noticed that a lot of connections from spammers trying to send mail > to local users claiming the sender is another local user. > > So I want to check that if sender domain name is in sender_local_domains > the user must be authenticated or host must be in relay_from_hosts. > > Does this look correct? > > acl_smtp_mail: > # Accept all authenticated connections > accept authenticated = * > # Accept all local hosts > accept hosts = +relay_from_hosts > # Deny if sending host claims to be a local user > deny sender_domains = +sender_local_domains > message = Fake sender address > # Accept all other > accept
Forgot to mention, all other sender/recipient verification is done in acl_check_rcpt just like the default "configure" -- Roger Håkansson -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
