Re: [mailop] Gmail admin help requested

We've had this occurrence when we promoted DMARC to p=quarantine. Some non-compliant emails were gone entirely while others made it to the spam folder. not sure it applies to your situation, but I figured it's worth mentioning. On Mon, Jan 19, 2015 at 6:56 PM, Lyle Giese wrote: > I have discover

Re: [mailop] Anti-spam recommendations for a user-generated-content host

On Mon, Jan 19, 2015 at 03:18:28PM +0200, Gil Bahat wrote: > [...] using the built-in content invite mechanism. Step 1: remove that permanently. It's an abuse magnet, like "email this link to a friend", and while there are ways to mitigate some of abuse your site will emanate as a result of it, t

Re: [mailop] Gmail admin help requested

On Mon, Jan 19, 2015 at 10:56:18AM -0600, Lyle Giese wrote: > I have logs of one such email that disappeared. It shows the 250 > reply from google, but email doesn't get to inbox or spam filter. I've seen this as well. Repeatedly. However, attempts to contact Gmail via standard/required role ad

Re: [mailop] Anti-spam recommendations for a user-generated-content host

Agreed. years ago I wrote a BP document for a former employer wherein the bottom line was no customizable fields for public-facing UGC mechanisms. The criminals will find them before your legitimate users will, always. expect to find 419 offers and porn & malware links in there instantaneously.

Re: [mailop] Gmail admin help requested

On 1/20/2015 4:46 AM, Rich Kulawiec wrote: On Mon, Jan 19, 2015 at 10:56:18AM -0600, Lyle Giese wrote: I have logs of one such email that disappeared. It shows the 250 reply from google, but email doesn't get to inbox or spam filter. I've seen this as well. Repeatedly. However, attempts to c

Re: [mailop] Anti-spam recommendations for a user-generated-content host

On 2015-01-20 05:15, Gil Bahat wrote: On Tue, Jan 20, 2015 at 1:54 PM, Neil Schwartzman > wrote: Agreed. years ago I wrote a BP document for a former employer wherein the bottom line was no customizable fields for public-facing UGC mechanisms. The criminals wil

Re: [mailop] Anti-spam recommendations for a user-generated-content host

On Tue, Jan 20, 2015 at 9:30 PM, Dave Warren wrote: > iOS share panel, send to the default email client, etc. Don't distribute > the abuse yourself, make the abuser handle the distribution channel. > There is quite some support for fancy mailto:-links in modern environments... -- Matthias

Re: [mailop] Gmail admin help requested

> From: Brandon Long > Messages are delivered or bounced with zero exceptions Can messages be bounced after being accepted by Gmail (DSN/NDR)? If yes then why not reject during SMTP session instead? ___ mailop mailing list mailop@mailop.org http://chi

[mailop] Interesting question regarding Office 365 Errors..

Had a report of a strange case of a 451 error .. Inadvertently the recipient has a poor MX record in place, eg mx.domain.com 0 backup.domain.com 10 (Not responding) However, when the sending MTA attempted to send an email, it received an error of 451 4.4.0 Security status InvalidToken Not s

[mailop] Gmail Spam Issue

Hi There, We're currently looking into an issue with one of our clients having spam issues with Gmail as was hoping someone might have some ideas. When the client sends an email to a Gmail address, more often then not the email goes into the recipent's spam folder (it's not all going to spam, a

Re: [mailop] Gmail Spam Issue

Hi Since you have other clients using that hosted provider with no problems, this strikes me as not being the provider's problem but rather something external to the provider. Have you done the basics? - Is there a valid PTR record? - Is there a valid (and correct) SPF rec

Re: [mailop] Gmail Spam Issue

On Jan 20, 2015, at 5:42 PM, Aaron Smith wrote: > Hi There, > > We’re currently looking into an issue with one of our clients having spam > issues with Gmail as was hoping someone might have some ideas. > > When the client sends an email to a Gmail address, more often then not the > email g

Re: [mailop] Gmail Spam Issue

Thanks for your replies, all insight is very much appreciated. - I can see the IPs used by the hosting provider do in fact have valid PTR records. - We do have a SPF record too, the hosting provider required us to create it when we setup the domain with their service. I teste

Re: [mailop] Gmail Spam Issue

If you provide details off list I can have the spam team take a look. Brandon On Jan 20, 2015 8:30 PM, "Aaron Smith" wrote: > Thanks for your replies, all insight is very much appreciated. > > > > - I can see the IPs used by the hosting provider do in fact have > valid PTR records. > >