well first of all, change the passwd on the compromised account then set the relaydomains parameter
http://serverfault.com/questions/335455/how-to-set-exim4-to-send-email-anywhere-but-only-from-authorised-users so they can't forge the from address too much. -- Martin Hepworth, CISSP Oxford, UK On 16 August 2012 05:35, Sergio <[email protected]> wrote: > Hello List, > would you be very kind to share a code on how to check at SMTP delivery > that the domain that is sending an email exist in the server? > > I have seen some hackers that managed to know the password from an account > and then at SMTPATUH they send emails using a domain name that is not in > the server. > > Or if you have a code where a mail that contains more than 10 AOL or YAHOO > addresses could be deleted and not send? > > Thanks a lot in advance. > > Regards, > > Sergio Cabrera > -- > ## List details at https://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ > -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
