Visitor
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1 Message
Getting error 452 - 452 4.1.1
This is a large email group that we have sent multiple emails to recently. Thought the couple new addresses were throwing it over the edge on size. So tried splitting the list in half and get the error with both the first half and second half. Why is an email distribution list that worked, no longer working. I see other similar questions but I don't see an answer. Just a lot of really annoyed people.
BruceW
Gold Problem Solver
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26.3K Messages
3 years ago
"452" errors usually mean "too many". Comcast's sending limits are 100 recipients per message and 1000 recipients per day. See https://www.xfinity.com/support/articles/limitations-on-sending-email and https://postmaster.comcast.net/smtp-error-codes.php#421.
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