I had some major changes to my setup due to the stack whale.
Now, receiving from a yahoo user (from a mobile device, I think) results
always in this:
2017-06-21 22:23:56 SMTP connection from [66.163.186.85]:34461 (TCP/IP connection count = 1)
2017-06-21 22:23:59 TLS error on connection from
sonic318-23.consmr.mail.ne1.yahoo.com [66.163.186.85]:34461 (gnutls_handshake):\
A TLS fatal alert has been received.
2017-06-21 22:23:59 Connection from [66.163.186.85]:33111 refused: too many connections from that IP address
2017-06-21 22:24:00 SMTP connection from sonic318-23.consmr.mail.ne1.yahoo.com [66.163.186.85]:34461 closed by EOF
There is always the 2nd simultaneous connection from the same host. I have
smtp_accept_max_per_host = 1
I _think_ that is not relevant, but just in case.
This is exim 4.89 as shipped with debian stretch, and so linked with
gnutls. Does it seem worthwhile to keep on investigating, or should I
already build my own exim and link it with openssl?
Receiving from this particular contact is kind of important :-(
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