Am 19.03.2013 18:47, schrieb Matteo Marescotti: > 250 DSN > mail from:<mares...@sdf.org> > 250 2.1.0 Ok > rcpt to:<mares...@sdf.org> > 554 5.7.1 <host[xxx.xxx.xxx.xxx]>: Client host rejected: Access denied > > because user authentication is now required. I simply wondered why the client > is rejected after "rcpt to" and not > just after "mail from". Maybe there is no configuration which allows for > rejecting an unauthenticated client after > the first command. I asked because you are certainly more familiar than me > with Postfix configuration options. > Thank you anyway
because it is a really stupid idea to reject too soon and after that missing informations from logfiles which can be helpful if your user calls you for support or you want provide the user actively support iPhones as exmaple are here regulary clients losing for whatever reason the auth-settings and try for weeks and months to submit the same message in such cases it is helful provide the user a logentry with MAIL FROM and MAIL TO because he thinks the message was sent
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