On 12/17/20 8:22 PM, John R Levine via mailop wrote:
Unfortunately, many sending clients (newsletters, announcements, etc.)
do not retry if the initial delivery fails.
That's impressively broken. Do you have specific examples?
SendGrid. They have a webpage that says "We continue to retry messages
for up to 72 hours," but they (sometimes?) don't.
Good news is, they've been so spammy that I don't care any more.
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