[AusNOG] Is anyone on ausnog from gmail

[Giles Pollock]

Likely to be this...
https://blog.google/products/gmail/gmail-security-authentication-spam-protection/

On Mon, Feb 5, 2024 at 5:52 PM Tim McCullagh <technical at halenet.com.au>
wrote:

> Sorry for the noise,  but is there anyone on the list from gmail?
>
> Is anyone else having trouble with delivery to gmail.   My customers are
> getting the following messages
>
> <xxxxxx at gmail.com>: host gmail-smtp-in.l.google.com[172.217.194.26]
>     said: 550-5.7.1 [203.17.235.145      12] Gmail has detected that this
>     message is 550-5.7.1 likely unsolicited mail. To reduce the amount of
> spam
>     sent to Gmail, 550-5.7.1 this message has been blocked. For more
>     information, go to 550 5.7.1
>     https://support.google.com/mail/?p=UnsolicitedMessageError
>     bz9-20020a056a02060900b005cdffc2828esi7631435pgb.182 - gsmtp (in reply
> to
>     end of DATA command)
>
> and
>
>
> <info at xxxxxart.com>: host aspmx.l.google.com[172.253.118.26] said:
>     550-5.7.1 [203.17.235.145      19] Gmail has detected that this
> message
> is
>     550-5.7.1 likely suspicious due to the very low reputation of the
> sending
>     550-5.7.1 domain. To best protect our users from spam, the message has
> been
>     550-5.7.1 blocked. For more information, go to 550 5.7.1
>     https://support.google.com/mail/answer/188131
>     e13-20020a63f54d000000b005ce025116bbsi12152612pgk.858 - gsmtp (in
> reply
> to
>     end of DATA command)
>
>
> Ive been through my mail logs and cant find any reason why email is being
> blocked from the mail server.  There has been no misuse of late.    There
> was on another hosting server which is in my spf record. The hosting
> server had a customer account  misused via sasl auth.  That
> was fixed 8 days ago.  Are gmail blocking on domain name now and not IP
> address / host name
>
> I have added the google verification IN TXT in DNS
>
>
> Is anyone else having or had  issues like this ?
>
> Can anyone recomend a contact for google / gmail?  or a fix / work around
>
>
>
> Regards
>
> Tim
>
> HaleNET Internet
> ABN:  57 014 068 268
> e-mail admin at halenet.com.au
> http://www.halenet.com.au
> P.O. Box 554 Stanthorpe Q 4380
> Phone  (07) 46814999 Bus Hours
> Phone  (07) 46852194 After Hours
>
> HaleNET Pty Ltd ACN (082 330 121)
> as trustee for the McCullagh Family Trust
> Trading as HaleNET
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