Am 14.02.2013 14:48, schrieb Luca Arzeni: > I'm in need of using a smarthost to relay all of my mail. > > I'm unable to use an italia provider (aruba) as smarthos for my server. > I obtain the (in)famous "550 5.1.0 XXXXX authentication failed"
maybe he does not like PLAIN without encryption why in the world would anybody do this? install "cyrus-sasl-md5" or however the package is called in your dsitribution and postfix will automatically use the best available method > I've tested username/password using thunderbird as client, it works with unencrypted plain auth? > I've tested the same configuration with another provider: it works. does not matter > My guess is that the provider uses different server to answer to my request how should it do this? > and so postfix is unable to find a matching password in > file /etc/postfix/sasl/saslpasswd. YOU control the match not the target server YOU control that host/port of the reylhost matchs EXACTLY how it is defined in "saslpasswd" and my guess is that you forgot to put the hostname inside [] to disable MX lookups cat /etc/postfix/saslpasswd # CHANGES: postmap /etc/postfix/saslpasswd [mail.thelounge.net]:587 user:pwd > But I've tried by using smtp_cname_overrides_servername=yes or > smtp_cname_overrides_servername=no and it failed in > the same way. don't do mangling around everywhere > I've also tried to declare all hostnames that I can see in the logs placing > all of them in the > /etc/postfix/sasl/saslpasswd but even this way I cannot send my mail why are you doing this?
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