Dear Ladies and Gentlemen, we send e-mail with cURL using a command line call of cURL.
The command line looks like this:
curl.exe smtps://ms11smtp.webland.ch:465 --verbose --insecure --ssl --mail-from
<Sender> --mail-rcpt <Recipient list> --user "<Login>:<Password>" -T
"<Mailbody>"
If we use the current version cURL 7.63, we get the following error:
curl: (56) Failure when receiving data from the peer
Here is the log of the call:
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0*
Trying 92.43.217.111...
* TCP_NODELAY set
* Connected to ms11smtp.webland.ch (92.43.217.111) port 465 (#0)
} [5 bytes data]
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
} [512 bytes data]
* TLSv1.3 (IN), TLS handshake, Server hello (2):
{ [61 bytes data]
* TLSv1.2 (IN), TLS handshake, Certificate (11):
{ [3798 bytes data]
* TLSv1.2 (IN), TLS handshake, Server key exchange (12):
{ [333 bytes data]
* TLSv1.2 (IN), TLS handshake, Server finished (14):
{ [4 bytes data]
* TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
} [70 bytes data]
* TLSv1.2 (OUT), TLS change cipher, Change cipher spec (1):
} [1 bytes data]
* TLSv1.2 (OUT), TLS handshake, Finished (20):
} [16 bytes data]
* TLSv1.2 (IN), TLS handshake, Finished (20):
{ [16 bytes data]
* SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384
* Server certificate:
* subject: C=CH; ST=Basel-Landschaft; L=Muenchenstein; O=Webland AG; OU=IT;
CN=*.webland.ch
* start date: Aug 31 00:00:00 2018 GMT
* expire date: Jun 29 12:00:00 2020 GMT
* issuer: C=US; O=DigiCert Inc; OU=www.digicert.com; CN=Thawte RSA CA 2018
* SSL certificate verify result: self signed certificate in certificate chain
(19), continuing anyway.
{ [5 bytes data]
< 220-ms11.webland.ch ESMTP Webland Mail Server v. 11.4.5.; Tue, 15 Jan 2019
09:15:20 +0100
< 220-Webland Secure Mail Server
< 220-
< 220-All connections are logged!
< 220 This server uses antivirus and antispam technology
} [5 bytes data]
> EHLO 7635E55A-C0ED-0340-ABC5-0B47124437EC.body
{ [5 bytes data]
< 250-ms11.webland.ch Hello 7635E55A-C0ED-0340-ABC5-0B47124437EC.body
[194.230.158.39], pleased to meet you.
< 250-ENHANCEDSTATUSCODES
< 250-SIZE 52428800
< 250-EXPN
< 250-ETRN
< 250-ATRN
< 250-DSN
< 250-CHECKPOINT
< 250-8BITMIME
< 250-AUTH PLAIN LOGIN DIGEST-MD5 CRAM-MD5 GSSAPI
< 250 HELP
} [5 bytes data]
> AUTH GSSAPI
{ [5 bytes data]
< 334
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
* Closing connection 0
} [5 bytes data]
* TLSv1.2 (OUT), TLS alert, close notify (256):
} [2 bytes data]
curl: (56) Failure when receiving data from the peer
If we use the cURL version 7.40 with the same call and e-mail data, the e-mail
will be sent successfully.
I have found no way or parameter with cURL 7.63 via command line to
successfully send an e-mail via this provider. Does anyone have an idea what it
is?
Kind Regards
Rainer Eisel
Anhang.pdf
Description: Adobe PDF document
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