Hi Jeremy, > On 20 Apr 2025, at 10:36, Jeremy Harris via Exim-users > <exim-users@lists.exim.org> wrote: > > On 2025/04/19 4:36 PM, Sander ter Steege via Exim-users wrote: >> But I do not understand why the From line Thunderbird is not used, because >> there is one and from the looks of it in the debugging output it is valid. > > OK, we'd need to see that debug run to comment further.
Great, thanks for your help as I try to understand what is happening and not just fix something without knowing why it worked (or was needed). This is the log I made with the debug console in Thunderbird (I replaced the actual mail addresses and server name): mailnews.smtp: Sending message <d61f954e-88b8-4a36-bdb1-2fdaae74d...@example.com> OutgoingServerService.sys.mjs:89:18 mailnews.smtp: Connecting to smtp://newserver:465 SmtpClient.sys.mjs:132:19 mailnews.smtp: Connected SmtpClient.sys.mjs:429:17 mailnews.smtp: S: 220-newserver MailServer 220 Authorized use only. SmtpClient.sys.mjs:452:17 mailnews.smtp: C: EHLO [192.168.10.130] SmtpClient.sys.mjs:677:19 mailnews.smtp: S: 250-newserver Hello [192.168.10.130] [192.168.10.130] 250-SIZE 20971520 250-LIMITS MAILMAX=1000 RCPTMAX=50000 250-8BITMIME 250-AUTH PLAIN LOGIN 250-CHUNKING 250-PRDR 250 HELP SmtpClient.sys.mjs:452:17 mailnews.smtp: Possible auth methods: PLAIN,LOGIN SmtpClient.sys.mjs:959:17 mailnews.smtp: Current auth method: PLAIN SmtpClient.sys.mjs:717:17 mailnews.smtp: Authentication via AUTH PLAIN SmtpClient.sys.mjs:732:21 NS_ERROR_FAILURE: Couldn't decrypt string crypto-SDR.sys.mjs:197 mailnews.smtp: C: Logging suppressed (it probably contained auth information) SmtpClient.sys.mjs:673:19 mailnews.smtp: S: 235 Authentication succeeded SmtpClient.sys.mjs:452:17 mailnews.smtp: Authentication successful. SmtpClient.sys.mjs:1189:17 mailnews.smtp: C: MAIL FROM:<u...@example.com>> BODY=8BITMIME SIZE=516 SmtpClient.sys.mjs:677:19 mailnews.smtp: S: 250 OK SmtpClient.sys.mjs:452:17 mailnews.smtp: MAIL FROM successful, proceeding with 1 recipients SmtpClient.sys.mjs:1224:17 mailnews.smtp: Adding recipient... SmtpClient.sys.mjs:1229:17 mailnews.smtp: C: RCPT TO:<remote_u...@gmail.com> SmtpClient.sys.mjs:677:19 mailnews.smtp: S: 250 Accepted SmtpClient.sys.mjs:452:17 mailnews.smtp: Total RCPTs during this connection: 1 SmtpClient.sys.mjs:1291:19 mailnews.smtp: RCPT TO done. Proceeding with payload. SmtpClient.sys.mjs:1294:19 mailnews.smtp: C: DATA SmtpClient.sys.mjs:677:19 mailnews.smtp: S: 354 Enter message, ending with "." on a line by itself SmtpClient.sys.mjs:452:17 mailnews.smtp: Sending 516 bytes of payload SmtpClient.sys.mjs:645:17 mailnews.smtp: S: 250 OK id=1u1Opo-00000005Kax-1w9u SmtpClient.sys.mjs:452:17 mailnews.smtp: Message sent successfully. SmtpClient.sys.mjs:1353:21 mailnews.smtp: Start 5 second QUIT timer SmtpClient.sys.mjs:1378:21 mailnews.smtp: C: QUIT SmtpClient.sys.mjs:677:19 mailnews.smtp: S: 221 newserver closing connection SmtpClient.sys.mjs:452:17 mailnews.smtp: Socket closed. SmtpClient.sys.mjs:573:17 mailnews.smtp: Connection to newserver closed —- Regards, Sander -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/