HD1869 on "Undeliverable: RE:"
HiAll of a sudden a user who has been emailing us fine for years is suddenly unable to email us.They claim no amendments have been made at their end.We collect email to our domain at .com via Demon, we...
View ArticleSimonT on "Undeliverable: RE:"
It looks as though Demon's new mail system thinks the sender's address is invalid, apparently because it's doing some sanity checks on the domain given in the sender's address and is finding problems.I...
View ArticleHD1869 on "Undeliverable: RE:"
(a) when were you migrated to the new mail platform, and is this the first time the sender has mailed you since the migration?About a month ago, it did seem to start around that time. Other people...
View ArticleSimonT on "Undeliverable: RE:"
Thanks for the info. The new server appears to be doing sanity checks on the MX (Mail eXchanger) DNS records for the sender's domain, which for this particular sender's domain look like this (replacing...
View ArticleHD1869 on "Undeliverable: RE:"
Thanks for the great response.Are you suggesting that that this is actually the fault of the sender?They are only a small office and I'm worried about confusing them by asking them to ammend MX records.
View ArticleSimonT on "Undeliverable: RE:"
I would hesitate to say that it's directly the fault of your correspondent -- for all I know, this is how their domain hosts set up the MX records for all their customers. But I would call it a...
View ArticleHD1869 on "Undeliverable: RE:"
Simon, thank you so much for your assistance in this matter
View Articleyewtc on "Undeliverable: RE:"
Did you ever get this resolved? I have the identical problem - even to same server addresses module xyz in the MX records - with someone trying to email me.The sender in my case is a bt customer.
View ArticleHD1869 on "Undeliverable: RE:"
As above, we got BT to repair their MX record.However it keeps happening, it seems most BT customers are having this issue.The latest attempt is to have the spam filter turned off, I'm not sure if this...
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