"Undelivered Message" missing in bounce

es postfix decide wheather to only include the headers or the full message in the bounce? Best regards, Eddy Ilg

warning: Connection concurrency limit exceeded: 11 from xx[w.x.y.z] for service smtp

above. Are these the wrong parameters? How do I enable MTA one to open many connections? (disable limit?) Best regards, Eddy Ilg

Maildir permissions

sions? Best regards, Eddy Ilg

Allow empty "mail from: <>" in envelope

Dear Postfix Group, we have the problem that some Microsoft applications supply an empty sender. Given that the client is SMTP authenticated we would like to allow empty senders (mail from: <>). Here are our restrictions: smtpd_sender_restrictions = #check_sender_access mysql:...,

Postfix virtual mailbox_command ?

option. Any suggestions how we could run a script from virtual each time a mail is delivered? Best regards, Eddy Ilg

Auto-whitelist recipients

Dear Postfix List, I'd like to continously update whitelist for spamassassin of recipients that my sasl users have sent mail to (i.e. when the recipients reply they will surely not be considered as spam). I am not using per-user spamassassin configurations (only a global configuration). I'v