[Mailman-Users] Emails lost due to receipient spam filters

Peter Shute pshute at nuw.org.au
Fri Aug 29 00:49:17 CEST 2014


So no bouncing? That's good, it means our Yahoo/AOL subscribers can't do any damage, and have another reason to change addresses. I haven't tried the wrapping option, but I'm not keen on it because of anticipated client issues with them.

Peter Shute

> -----Original Message-----
> From: Brian Carpenter [mailto:brian at emwd.com] 
> Sent: Friday, 29 August 2014 3:23 AM
> To: Peter Shute
> Cc: 'Alan Meyer'; Mailman-Users at python.org
> Subject: RE: [Mailman-Users] Emails lost due to receipient 
> spam filters
> 
> > -----Original Message-----
> > From: Peter Shute [mailto:pshute at nuw.org.au]
> > Sent: Thursday, August 28, 2014 1:07 PM
> > To: Brian Carpenter
> > Cc: Alan Meyer; Mailman-Users at python.org
> > Subject: Re: [Mailman-Users] Emails lost due to receipient spam 
> > filters
> > 
> > > On 29 Aug 2014, at 1:25 am, "Brian Carpenter" 
> <brian at emwd.com> wrote:
> > >
> > > We were/are having issues emailing Gmail users when using the mung
> > setting
> > > so we are now instructing our mailman clients to use the 
> "Wrap Message"
> > > setting. Google considers any email that breaks the 5322 RFC 
> > > standard to
> > be
> > > a violation of their best practices for sending bulk 
> mail. Also you 
> > > can
> use
> > > the following form to talk to Google:
> > 
> > What were the gmail issues, Brian? We're using munging on yahoo and 
> > aol messages, and haven't seen any problems so far, apart from 
> > inconsistent Reply All behaviour of some mail clients.
> > 
> > Peter Shute
> 
> Sporadic blocking from Gmail's mail servers but with no error 
> message. Since Google considers breaking 5322 a bad practice, 
> I am guessing that using mung may be related to these random 
> blocking. But I am guessing but since recommending to our 
> clients on our mailman servers, to start using "wrap message" 
> via the Sender Filters page, we have seen Gmail delivery 
> improvements and on some servers, the random blocking has 
> cleared up entirely. I have submitted a ticket with Google 
> but am still waiting to hear back from them so hopefully I 
> will get a definitive answer to what was going on.
> 
> 
> Brian Carpenter
> EMWD.com
> 
> Providing Cloud Services and more for over 15 years.
> 
> T: 336.755.0685
> E: brian at emwd.com
> www.emwd.com
> 
> 


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