Hi,
My email provider uses TLSv1.2
openssl s_client -connect smtp.migadu.com:465 22:45:13
CONNECTED(00000006)
depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R3
verify return:1
depth=0 CN = smtp.migadu.com
verify return:1
---
Certificate chain
0 s:/CN=smtp.migadu.com
i:/C=US/O=Let's Encrypt/CN=R3
1 s:/C=US/O=Let's Encrypt/CN=R3
i:/O=Digital Signature Trust Co./CN=DST Root CA X3
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=/CN=smtp.migadu.com
issuer=/C=US/O=Let's Encrypt/CN=R3
---
No client certificate CA names sent
Server Temp Key: ECDH, X25519, 253 bits
---
SSL handshake has read 3074 bytes and written 289 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES256-GCM-SHA384
Session-ID: 045D88C8A2A20F0BA4829E189D6270B7C19AAFD1F3A16D4E8F6E951705F011CF
Session-ID-ctx:
Master-Key: F9356AD37B528411E7FC23B5678308BCBB128AC510777AD85B3AE7706BE4ADBAF24E80746670362F506567F28558A648
TLS session ticket lifetime hint: 7200 (seconds)
TLS session ticket:
0000 - d5 29 62 e2 ba 48 25 e2-50 34 bc 03 0d 91 82 8b .)b..H%.P4......
0010 - 9e 77 55 1a e2 ee 2b de-0c b6 03 5c c9 a2 f6 1a .wU...+....\....
0020 - 5a e5 aa e0 81 71 f0 f9-68 8f 83 20 21 6a ed 9e Z....q..h.. !j..
0030 - 36 e7 69 53 4e 81 25 5c-50 da 95 c7 99 20 9a 70 6.iSN.%\P.... .p
0040 - ee 36 6e 1a 1c 44 d2 d2-6f 64 bd 3a 46 8c ca 98 .6n..D..od.:F...
0050 - 60 07 d9 7b 05 3a 10 6f-36 5c 44 20 95 c0 64 db `..{.:.o6\D ..d.
0060 - a9 1d 0a 7b b4 75 c2 fe-2e 5f a7 d3 a7 46 c5 0e ...{.u..._...F..
0070 - 05 61 09 89 19 ed 5e 9e-8a 55 7a 55 7a 09 36 f2 .a....^..UzUz.6.
0080 - 83 c5 eb a0 c9 e7 1a 70-db 4c 0e e0 19 80 b0 82 .......p.L......
0090 - f8 88 6e 8f ee 90 22 91-92 61 9f 39 05 aa 36 db ..n..."..a.9..6.
Start Time: 1620762372
Timeout : 7200 (sec)
Verify return code: 0 (ok)
---
220 out2.migadu.com ESMTP
read:errno=0
I disabled START_TLS in containers/app.yml, rebuild app with ./launcher rebuild app but still registration email is not coming throug.
Here is my config:
DISCOURSE_SMTP_ADDRESS: smtp.migadu.com
DISCOURSE_SMTP_PORT: 465
DISCOURSE_SMTP_USER_NAME: discourse@mydomain.com
DISCOURSE_SMTP_PASSWORD: "password"
DISCOURSE_SMTP_ENABLE_START_TLS: false
DISCOURSE_SMTP_DOMAIN: mydomain.com
DISCOURSE_NOTIFICATION_EMAIL: noreply@mydomain.com
What am I missing?