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Hi!
I configured my mailbox to reject mails that are delivered via unencrypted SMTP connections and I think also TLS encrypted SMTP connections with weak ciphers.
Since then only some newsletter mails were delivered to my inbox, all others were rejected.
I think the root of the problem is that some servers at createsend are misconfigured.
From what I can tell by now, these servers use TLS encrypted connections with strong ciphers:
mx65.b.outbound.createsend.com
mx200.a.outbound.createsend.com
mx201.a.outbound.createsend.com
mx202.a.outbound.createsend.com
These servers either use no transport encryption or TLS encryption with weak ciphers:
mx147.g.outbound.createsend.com
mx35.b.outbound.createsend.com
It would be really nice if this could be fixed.
Thanks and kind regards.
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