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Aki Tuomi aki.tuomi at open-xchange.com
Fri Nov 30 09:57:47 EET 2018


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Aki

On 30.11.2018 9.52, Gianfranco Bartolini wrote:
> UNSUBSCRIBE 
>
>> -----Original Message-----
>> From: dovecot [mailto:dovecot-bounces at dovecot.org] On Behalf 
>> Of Michael A. Peters
>> Sent: Friday, November 30, 2018 8:21 AM
>> To: dovecot at dovecot.org
>> Subject: Re: DMARC policies
>>
>> On 11/29/2018 11:13 PM, Aki Tuomi wrote:
>>> Hi!
>>>
>>> It seems we accidentically had a high amount of subscribers 
>> temporarily
>>> disabled due to DMARC on some sender's host. We have now 
>> taken actions
>>> to prevent this in the future and all temporarily disabled 
>> members have
>>> been restored.
>>>
>>> Aki
>>>
>>>
>> I've seen that happen on several lists.
>>
>> I disabled DMARC on my mail servers. I really like the 
>> concept but way 
>> way way too many false positives.
>>
>> Mostly lists, but also what sometimes happens - primary MX for 
>> whatever.com is down so mail goes to their backup with then 
>> relays it to 
>> their primary when primary back up, but their backup MX 
>> obviously isn't 
>> in my SPF record and they have things mis-configured causing a DMARC 
>> trigger.
>>
>> I like the concept but it seems to have too many problems in 
>> implementation.
>>


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