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  • Sending email fails if domain found.

    From Nigel Reed@1:103/705 to GitLab issue in main/sbbs on Sun Nov 7 01:27:22 2021
    open https://gitlab.synchro.net/main/sbbs/-/issues/303

    Even though an MX address exists for sysadmininc.com, an A or AAAA record does not. The email should still be delivered.Nov 7 02:16:16 bbs synchronet: mail 0000 SEND last_msg=9879, smb.status.last_msg=9880, elapsed=633Nov 7 02:16:16 bbs synchronet: mail 0000 SEND Message #9879 (671 of 672) from <nigel@nigelreed.net> to '' <nigel@sysadmininc.com>Nov 7 02:16:16 bbs synchronet: mail 0000 SEND getting message textNov 7 02:16:16 bbs synchronet: mail 0000 SEND using auto-detected DNS server address: 2001:4860:4860::8844Nov 7 02:16:16 bbs synchronet: mail 0000 !SEND INVALID DNS server address: 2001:4860:4860::8844Nov 7 02:16:16 bbs synchronet: mail 0000 SEND Message #9880 (672 of 672) from <nigel@nigelreed.net> to '' <nigel@sysadmininc.com>Nov 7 02:16:16 bbs synchronet: mail 0000 SEND getting message textNov 7 02:16:16 bbs synchronet: mail 0000 SEND using auto-detected DNS server address: 8.8.8.8Nov 7 02:16:16 bbs synchronet: mail 0000 SEND getting MX records for sysadmininc.com from 8.8.8.8Nov 7 02:16:16 bbs synchronet: mail 0133 SEND resolving SMTP hostname: sysadmininc.comNov 7 02:16:16 bbs synchronet: mail 0133 SEND !Failure resolving hostname: sysadmininc.comNov 7 02:16:16 bbs synchronet: mail 0133 SEND !Delivery attempt #1 FAILED (Error resolving hostname sysadmininc.com) for message #9880 from nigel to nigel@sysadmininc.com$ dig @8.8.8.8 sysadmininc.com mx +shortbbs@bbs:~$ dig @8.8.8.8 sysadmininc.com mx; <<>> DiG 9.16.1-Ubuntu <<>> @8.8.8.8 sysadmininc.com mx; (1 server found);; global options: +cmd;; Got answer:;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60603;; flags: qr rd ra ad; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1;; OPT PSEUDOSECTION:; EDNS: version: 0, flags:; udp: 512;; QUESTION SECTION:;sysadmininc.com. IN MX;; ANSWER SECTION:sysadmininc.com. 3600 IN MX 0 www.sysadmininc.com.sysadmininc.com. 3600 IN MX 10 ipv6.sysadmininc.com.;; Query time: 55 msec;; SERVER: 8.8.8.8#53(8.8.8.8);; WHEN: Sun Nov 07 02:25:39 CST 2021

    ;; MSG SIZE rcvd: 85both the MX addresses resolve fine.This is happening when using sbbs as a relay (incoming via ipv6). Not sure about other situations.
    --- SBBSecho 3.14-Linux
    * Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)