Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread Viktor Dukhovni via mailop
On Thu, Dec 05, 2024 at 03:01:04PM +, Gellner, Oliver via mailop wrote: > > Well, the correct reply code is 452. The correct enhanced status code is > > 4.5.3: > > https://www.iana.org/assignments/smtp-enhanced-status-codes/smtp-enhanced-status-codes.xhtml > > The IANA link claims that the

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread Viktor Dukhovni via mailop
On Thu, Dec 05, 2024 at 06:20:11AM -0800, Michael Peddemors via mailop wrote: > And for the record, ESP's and senders should NEVER assume that they can send > even 100 recipients. Well, senders really SHOULD be able to, the fact that some large providers feel at liberty to violate the specificati

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread John Levine via mailop
It appears that Viktor Dukhovni via mailop said: >On Thu, Dec 05, 2024 at 03:01:04PM +, Gellner, Oliver via mailop wrote: > >> > Well, the correct reply code is 452. The correct enhanced status code is >> > 4.5.3: >> > https://www.iana.org/assignments/smtp-enhanced-status-codes/smtp-enhanced

[mailop] yahoo CFBL : DMARC issue

2024-12-05 Thread LANEL, JEAN BAPTISTE via mailop
Hello, If anyone from Yahoo here : the ARF from yahoo CFBL are rejected by mx MX because of a DMARC reject, the signature doesn't match the mail. Unless there is an issue on my DKIM milter, anyone else experiencing the same issue ? Regards, Jean-Baptiste Lanel Anti-Abuse eTTEP - WLM&D [cid:im

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread Gellner, Oliver via mailop
On 05.12.2024 at 06:09 Viktor Dukhovni via mailop wrote: > On Wed, Dec 04, 2024 at 08:01:34PM -0600, Grant Taylor via mailop wrote: >> On 12/4/24 09:45, Viktor Dukhovni via mailop wrote: >>> No, not a "421", since that would normally also be a connection >>> abort, and none of the recipients would

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread Michael Peddemors via mailop
You are right Victor of course... And for the record, ESP's and senders should NEVER assume that they can send even 100 recipients.. In our MagicMail SMTP we apply a penalty for invalid users.. each invalid user is the equivalent of 15 legitimate recipients.. so if you send 10 invalid recipien

Re: [mailop] How to move existing mail domain to Google Workspace

2024-12-05 Thread Giovanni Bechis via mailop
On 12/5/24 12:51 PM, Nick Lock via mailop wrote: On Thu, 5 Dec 2024 at 10:29, Matthew Richardson via mailop mailto:mailop@mailop.org>> wrote: John Levine wrote:- >All of the instructions for setting up mail at Google say to change the MX first >before you've set up any mailboxes,

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread John Levine via mailop
It appears that Viktor Dukhovni via mailop said: >On Wed, Dec 04, 2024 at 07:23:07PM -0700, Andrew Barker via mailop wrote: > >>RFC 5321, indicates the correct code for too many recipients is code >>452. It also notes that some old servers might also return 552 due to >>an error in an

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread John Levine via mailop
It appears that Viktor Dukhovni via mailop said: >On Thu, Dec 05, 2024 at 06:20:11AM -0800, Michael Peddemors via mailop wrote: > >> And for the record, ESP's and senders should NEVER assume that they can send >> even 100 recipients. > >Well, senders really SHOULD be able to, the fact that some la

Re: [mailop] [EXTERNAL] Any tips on how to escalate a request in Outlook.com?

2024-12-05 Thread Fernando MM via mailop
Hi Michael, Thank you for your response. I’ve reviewed both our SNDS data and internal logs, but I’m not sure if the throttle explanation applies to our situation. We have rate limits in place for all IPs, typically set to 15-minute intervals, to prevent sudden traffic spikes. For the IPs that w

Re: [mailop] How to move existing mail domain to Google Workspace

2024-12-05 Thread Matthew Richardson via mailop
John Levine wrote:- >All of the instructions for setting up mail at Google say to change the MX >first >before you've set up any mailboxes, which makes no sense -- how will it know >what to do with the mail? > >Can someone who's done this before give me some hints? TIA. Having only done a migra

Re: [mailop] Is there a standard for how many RCPT to accept?

2024-12-05 Thread Cyril Nicodeme via mailop
Thank you so much everyone ! Sorry I'm only answering now. I threw the email just before leaving and couldn't access my emails sooner. I wasn't aware this was mentioned in the RFC already but now I've updated the code to follow this (100 recipients). I'm a big advocate of respecting the RFC an

Re: [mailop] How to move existing mail domain to Google Workspace

2024-12-05 Thread Nick Lock via mailop
On Thu, 5 Dec 2024 at 10:29, Matthew Richardson via mailop < mailop@mailop.org> wrote: > John Levine wrote:- > > >All of the instructions for setting up mail at Google say to change the > MX first > >before you've set up any mailboxes, which makes no sense -- how will it > know > >what to do with

Re: [mailop] [pfx] Re: virtual alias expansion explicit prevention

2024-12-05 Thread Jaroslaw Rafa via mailop
As you have responded directly to me and not to the list, I quote your full email below. From what you have written I understand that in most (if not all) cases, each email has to be BCC-ed to "destination set", which consists of {B,X,Y,Z,S1+office,S2+office}. Only emails to S1 and S2 don't, they

Re: [mailop] [pfx] Re: virtual alias expansion explicit prevention

2024-12-05 Thread Jaroslaw Rafa via mailop
Oops, I have sent this to the wrong list by mistake. Please disregard. Regards, Jaroslaw Rafa r...@rafa.eu.org ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop