Mailing List CGatePro@mail.stalker.com Message #105937
From: Jeff Wark <jwark@tbaytel.net>
Subject: Re: Error message for SMTP Authentication
Date: Tue, 15 Dec 2015 13:07:09 -0500
To: CommuniGate Pro Discussions <CGatePro@mail.stalker.com>
X-Mailer: CommuniGate Pro WebUser v5.3.15
I suppose it is a non-client sender, but all messages from that IP address would need to be authenticated (due to being on the pbl.spamhaus.org list.  It doesn't even make it to the point of authentication succeeding.

Here is the output from the Client IP address page in the Test Address form:

[216.211.115.123](216-211-115-123.dynamic.tbaytel.net) is Blacklisted by zen.spamhaus.org


--

Jeff Wark
Tbaytel Internet
On Tue, 15 Dec 2015 18:55:00 +0100
Brian Turnbow <b.turnbow@twt.it> wrote:
>> Hi Jeff,
>>
>>
>>
>> I think you may be hitting the limit from a non client sender here ,configurable  under the smtp  receive settings.
>>
>> Try and filter with the IP address to check if I'm correct.
>>
>>
>>
>> Check out the security section in the manual for an explanation of how it works
>>
>>
>>
>> Brian
>>
>>
>>
>> Brian Turnbow
>> Network Manager
>>
>> TWT S.p.A.
>>
>>
>>
>>From: CommuniGate Pro Discussions [mailto:CGatePro@mail.stalker.com] On Behalf Of Jeff Wark
>> Sent: martedý 15 dicembre 2015 18:39
>> To: CommuniGate Pro Discussions
>> Subject: Error message for SMTP Authentication
>>
>>
>>
>> The following is showing up in our logs and I'm not sure what the error implies:
>>
>>
>>
>> 12:06:10.240 4 SMTPI-856048([216.211.115.123]) cmd: AUTH PLAIN <redacted>
>>
>> 12:06:12.335 4 SMTPI-856048([216.211.115.123]) rsp: 532 access from your network is restricted, try later
>>
>>
>>
>> and then a few minutes later, after typing in the password again, the customer gets this:
>>
>>
>>
>> 12:21:26.341 4 SMTPI-860670([216.211.115.123]) cmd: AUTH PLAIN <redacted>
>>
>> 12:21:26.342 4 SMTPI-860670([216.211.115.123]) authenticating: 216.211.115.123:50537 CLRTXT user@tbaytel.net * <password>
>>
>> 12:21:26.342 4 SMTPI-860670([216.211.115.123]) authenticating: AUTH PROXY <redacted2>
>>
>> 12:21:26.343 2 SMTPI-860670([216.211.115.123]) 'user@tbaytel.net' linked from [216.211.115.123]:50537
>>
>>
>>
>> There were no modifications to the account between those connections.  At the client end, credentials were re-entered, but the
>><redacted> part looked the same.
>>
>>
>>
>> Any ideas what "rsp: 532 access from your network is restricted, try later" means?
>>
>>
>>
>> Thank you.
>>
>>
>> --
>>
>>
>> Jeff Wark
>> Tbaytel Internet
>>
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