Transmission crash

Re: Transmission crash

Postby mistert » Fri Oct 10, 2025 5:27 am

Yes I did. I was able in the past to set up a couple of smtp servers in Thunderbird (and still in function).
Back to our subject smtp server is confirmed, I tried ports 465 and 587 and get email sent notification but nothing in the recipient mailbox or spam folder.
I will try another mail provider...
edit: third email provider, again email sent notification but nothing received. :dontknow
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Re: Transmission crash

Postby Jocko » Fri Oct 10, 2025 8:05 am

Can you post the settings used for your providers (server, port, starttls and host). I do not need your credentials for investigation; later I will ask you for doing full checks with your credentials

About host you can let it empty for first try or be your public IP (WAN) or a FQDN which targets your public IP
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Re: Transmission crash

Postby mistert » Fri Oct 10, 2025 8:27 am

gmail I think we can forget about it because of the gmail own authentication mechanism
smtp.free.fr port 465 or 587
smtp.gmx.com or mail.gmx.com port 465 or 587

I left DDNS Host Name field empty for all my previous test. Just tried with my public IP with the same result though (email sent notification but nothing received).
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Re: Transmission crash

Postby Jocko » Fri Oct 10, 2025 1:57 pm

Hi

About free the right port seems to be 465
Code: Select all
root@Acrab:/ # /usr/bin/openssl s_client -bugs -crlf -ign_eof -quiet -connect smtp.free.fr:587
3069654224:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:782:

root@Acrab:/ # echo "EHLO $helo"|/usr/bin/openssl s_client -bugs -crlf -ign_eof -quiet -connect smtp.free.fr:465
depth=1 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = RapidSSL TLS RSA CA G1
verify error:num=20:unable to get local issuer certificate
verify return:0
220 smtp6-g21.free.fr ESMTP Postfix
250-smtp6-g21.free.fr
250-PIPELINING
250-SIZE 78643200
250-VRFY
250-ETRN
250-AUTH PLAIN LOGIN CRAM-MD5 DIGEST-MD5
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING
So PLAIN and LOGIN methods are authorized by free and you should be able to connect by these ways which are used by the firmware

Note start TLS should not be activated and you have to let empty the DDNS field
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