Re: More Sendgrid trouble?

"John Levine" <[email protected]>
Newsgroups gmane.mail.spam.spamassassin.general
Organization Taughannock Networks
Message-ID <[email protected]>
It appears that Marc <[email protected]> said:
>> Yeah, at this point, if I get anything from Outlook, Yahoo, Google,
>> Mailchimp, Mailgun, OVH, or Sendgrid and it’s not a explicitly a
>> whitelisted entry, I bounce it.
>
>I used a greylist where emails get a 4xx message with a link that allows the email through ...

Why would a mail system tell senders about a 4xx reply?  That means to try again, not to bounce it.

I realize that old versions of sendmail sent those annoying "your message has been delayed, retrying"
reports but I hope we all realize those are a mistake, at least for any mail system in this millenium.

R's,
John
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.