PincoPalla Posted November 8, 2021 Share #1 Posted November 8, 2021 Hi everyone, from today I have problems sending e-mails; I have configured the mail server of Synology mail server, everything is always working but from today (or yesterday, Friday I sent mail without problems) it gives me this error: 566 SMTP limit exceeded obviously nothing has been changed and I don't think I have exceeded any limit also because there are none, I can't understand what the problem is, does anyone have the same problem ??? or do you know what it can be ??? Thank you Quote Link to comment Share on other sites More sharing options...
PincoPalla Posted November 8, 2021 Author Share #2 Posted November 8, 2021 I update; I just did the test from an original Synology 1813+ that I have on the LAN (same parameters of course) and it gives me the same error, so I tend to exclude it is a server problem, but I don't know what else it could be Quote Link to comment Share on other sites More sharing options...
NooL Posted November 8, 2021 Share #3 Posted November 8, 2021 Have you tried googling "566 SMTP limit exceeded" ? Quote Link to comment Share on other sites More sharing options...
PincoPalla Posted November 9, 2021 Author Share #4 Posted November 9, 2021 Hello thanks for the answer, yes of course I tried and there are no plausible answers with that error number (they can be found up to 556). This morning as soon as I opened the DSM page it gave me an update of the mail server application, I updated, but then I tried but it still gives me the same error, the error report that comes back to me is this Reporting-MTA: dns; XXXXYYYYYY.it X-Postfix-Queue-ID: 39A1126D538 X-Postfix-Sender: rfc822; XXXXXX@YYYYYY.XY Arrival-Date: Tue, 9 Nov 2021 08:10:37 +0100 (CET) Final-Recipient: rfc822; SFGGGFFF@gmail.com Original-Recipient: rfc822;SFGGGFFF@gmail.com Action: failed Status: 5.0.0 Remote-MTA: dns; pro.turbo-smtp.com Diagnostic-Code: smtp; 566 SMTP limit exceeded It occurs to me now that in all my configurations I use google's DNS parameters (8.8.8.8 and 8.8.4.4) that are those ??? now i try to change them Quote Link to comment Share on other sites More sharing options...
PincoPalla Posted November 9, 2021 Author Share #5 Posted November 9, 2021 No they are not those Quote Link to comment Share on other sites More sharing options...
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