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Forum Discussion
E-Mail notification is blocked by GMail due to duplicate To headers
ReadyNAS with OS 6.10.8. E-Mail alert to my GMail Account is blocked due to duplicate To-Headers: >>> DATA (EOM) <<< 550 5.7.1 [81.169.146.xxx] This message is not RFC 5322 compliant, the iss...
NiveditaP wrote:
It's very clear this is the limitation of mail system: gmx.de, the mail server rejects the message with multiple receivers.
ReadyNAS is just a client to send message and it works with very common mail services: gmail, and outlook.
I am using yahoo mail to send alerts, configuring both my yahoo and my gmail address as Alert Contacts I also see blocked messages from gmail due to non-compliant headers in my yahoo email.
Sorry, we were unable to deliver your message to the following address.
<XXXX>
550: 5.7.1 [98.137.65.148] This message is not RFC 5322 compliant, the issue is:
5.7.1 duplicate To headers. To reduce the amount of spam sent to Gmail,
5.7.1 this message has been blocked. Please review
5.7.1 RFC 5322 specifications for more information. l12-20020a170903120c00b001961fc1ba30si13804779plh.120 - gsmtp
So I think there is a bug here in the ReadyNAS when you have multiple alert contacts.
clth: how many alert contacts do you have configured?
how many alert contacts do you have configured?
I had 2 contacts cofigured.
I tried to delete one of them several times, but that didn't work - the second one came up back immediately.
Fortunately Netgear allows direct acces to the whole file system via ssh (I love that feature).
So I took a look at /etc/aliases and there were 2 destinations for default.
After reducing the alias to one entry it seems to work.
Thx and best regards
Claus
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