Re: [mailop] Microsoft 365 send spam via high-risk delivery pool (instead of block it)

2022-10-02 Thread Sebastian Nielsen via mailop
>>What if the email was beng sent to an abuse team to complain that Simple: If (this.header('to') =~ m/.*>What if this is someone asking a trusted one whether the deal is real? >>..or their reply that it is not? if (Checkinbox(from, this.header('to')) == true) { Permit(); } Else { Block(); } Sub

Re: [mailop] Microsoft 365 send spam via high-risk delivery pool (instead of block it)

2022-10-02 Thread Ángel via mailop
On 2022-09-29 at 08:19 +0200, Alessio Cecchi wrote: > if you can identify a message as unwanted why do you have to send it > anyway? It does not seem to me a positive contribution to the cause > of a better internet, but only a discharge of responsibility on the > receiving server. The tricky

Re: [mailop] Gmail as well as Google Worskapce refuse all email from my domain

2022-10-02 Thread Andrew C Aitchison via mailop
On Sun, 2 Oct 2022, Arek Patyk via mailop wrote: Hi, I have my company domain hycom dot pl hosted on microsoft o365 exchange online for 7 years. Last week google servers stopped accepting our mails. During last few days I got: 550 5.7.350 Remote server returned message detected as spam -> 550

Re: [mailop] Gmail as well as Google Worskapce refuse all email from my domain

2022-10-02 Thread Arek Patyk via mailop
what is strange i have on this microsoft tenant another domain with .digital suffix - and all mails from this domain are delivered to gmail without any problems. a. niedz., 2 paź 2022 o 13:35 Hans-Martin Mosner via mailop napisał(a): > > Am 02.10.22 um 12:44 schrieb Arek Patyk via mailop: > >

Re: [mailop] Gmail as well as Google Worskapce refuse all email from my domain

2022-10-02 Thread Hans-Martin Mosner via mailop
Am 02.10.22 um 12:44 schrieb Arek Patyk via mailop: We have had MFA authentication on all accounts for years and we checked all logs from email activity from last month. Compromising an account is almost impossible. I must be something else. It's not about you, it's about other Office365

Re: [mailop] Gmail as well as Google Worskapce refuse all email from my domain

2022-10-02 Thread Arek Patyk via mailop
We have had MFA authentication on all accounts for years and we checked all logs from email activity from last month. Compromising an account is almost impossible. I must be something else. But how to get info from google where the problem is? Cheers, Areq niedz., 2 paź 2022 o 12:23 Hans-Martin

Re: [mailop] Gmail as well as Google Worskapce refuse all email from my domain

2022-10-02 Thread Hans-Martin Mosner via mailop
There probably wasn't suspicious activity from your domain, but there has been a significant wave of fake dating spam sent via presumably compromised Office365 accounts. I've noticed such waves a number of times in the past, but haven't been able to get information about the root cause for such

[mailop] Gmail as well as Google Worskapce refuse all email from my domain

2022-10-02 Thread Arek Patyk via mailop
Hi, I have my company domain hycom dot pl hosted on microsoft o365 exchange online for 7 years. Last week google servers stopped accepting our mails. During last few days I got: 550 5.7.350 Remote server returned message detected as spam -> 550 5.7.1 [40.107.22.60 7] Our system has detected that