>>and stop accepting mail via SMTP that has an unknown sender address (it does not block unknown senders with the Postfix 'sendmail' command). I Just changed the original sender to post here
>> eh? why? Because with only a mx record our clients can recieve message in domains created in Exchange and Smartemail enviorement the domain can exist in two. >> this problem happens often, when you accept a mail while you don't know >> if you can verify it. In this case the e-mail account was disable in exchange (my example above was wrong like you said the error is the message size) but in my transport_maps exist the entry to relay message to exchange server, in this case the most correct is remove the record in memcached, right?? >>in the "before queue" case you don't need to solve anything - the message is not accepted, so the bounce generation is not up to you. But in the same case above the bounce occur because the message size, but this e-mail was delivered to sender, why? -- Sent from: http://postfix.1071664.n5.nabble.com/Postfix-Users-f2.html
