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2

Run file transport.db which may indicate some version of a Berkeley DB file; if so, something like db_dump -p transport.db (assuming db4-utils or such is available) would be one way of recovering the data. Another way would be to use some other interface to the BDB format, e.g. the Perl DB_File module or such. If the file is not in BDB format (or uses an ...


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The simplest solution is to run two mail servers on premise. One handles only incoming mail, while the other handles only outgoing mail and knows nothing of the first server.


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By default Postfix will use smtp as transport method when none of the sender based rules is matched. See: http://www.postfix.org/postconf.5.html#default_transport default_transport (default: smtp) The default mail delivery transport and next-hop destination for destinations that do not match $mydestination, $inet_interfaces, ...


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I guess you mean SASL. The problem is, if your mail server doesn't use some sort of restriction/control (to allow client to send mails to other domains), then it becomes an open relay. That means anyone can use your email server to send spam emails. This is of course not expected. And this is why you need to use some sort of restriction as to who is allowed ...


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You need to assign domains for local delivery (do.ma.in in your case) to mydestination variable in main.cf mydestination = $myhostname, localhost.$mydomain, localhost, do.ma.in


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The answer was that I used public key in KeyFile instead of PrivateKey: KeyFile /etc/mail/dkim.key Changed to: KeyFile /etc/mail/dkim.private The problem is gone but DKIM signature is not shown on google side. There is not error log in mail.err every thing seems working on this side. I even digged TXT to see if DKIM ...


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Postfix Header Checks Blocking double extensions can be done with regex. Here is an example of how to block any extension. Create /etc/postfix/header_checks and maybe block some of these extensions Modify as required: Here are 2 ways to do the same thing you asked for. # do something with JS files # # method 1, much like what you asked for ...



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