Hej Ludvigs Hjørne
Måske kan I hjælpe mig med at finde ud af, hvorfor jeg gang på gang får den nedenstående meddelelse,
når jeg sender en mail til en bestemt modtager.
Jeg kan ikke gennemskue om, der er noget galt med mit mailsystem, men jeg kan oplyse, at jeg tidligere aldrig har problemer med at sende til andre fra min adresseliste.
Venlig hilsen
Kjeld J.
This is the mail system at host mwumf0305.yousee.as8677.net.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<Jeg har anonymiseret mailadressen >: host mx20.check4spam.dk[193.104.202.5]
said: 550-Blacklisted in sip-inv.mailcleaner.net: 550-Blocked by ivmSIP
and/or ivmSIP/24 - see 550
https://www.invaluement.com/lookup/?item=193.201.76.63 (in reply to RCPT TO
command)
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0