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smtp-tls example: Failure when receiving data from the peer

From: W. Martin Borgert via curl-library <curl-library_at_cool.haxx.se>
Date: Tue, 30 Jul 2019 15:37:49 +0200

Dears,

I'm using libcurl for the first time, so don't rule out stupidity on
my side. I'm using this example:

https://curl.haxx.se/libcurl/c/smtp-tls.html

On some servers it works, but on one providers service it does not:

* Expire in 0 ms for 1 (transfer 0x123450)
### repeats ~320 times, seems to be removed in commit aabc7ae
* Trying 123.45.123.45...
* TCP_NODELAY set
* Expire in 200 ms for 4 (transfer 0x123450)
* Connected to myprovider.com (123.45.123.45) port 465 (#0)
### long time nothing seems to happen
* response reading failed
* Closing connection 0
curl_easy_perform() failed: Failure when receiving data from the peer

Any idea how to debug this?

TIA!

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Received on 2019-07-30