Hello, I only see IPv4. Maybe DNS issue on your end?
root@sonne:~# host list.sys4.de list.sys4.de has address 45.90.5.195 list.sys4.de mail is handled by 10 list.sys4.de. root@sonne:~# dig list.sys4.de MX ; <<>> DiG 9.20.7-1+ubuntu24.04.1+deb.sury.org+1-Ubuntu <<>> list.sys4.de MX ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62732 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ; COOKIE: b1825ca341f14e060100000067f60e112e8fbce6c78ba10d (good) ;; QUESTION SECTION: ;list.sys4.de. IN MX ;; ANSWER SECTION: list.sys4.de. 3589 IN MX 10 list.sys4.de. ;; ADDITIONAL SECTION: list.sys4.de. 3379 IN A 45.90.5.195 root@sonne:~# dig list.sys4.de AAAA ; <<>> DiG 9.20.7-1+ubuntu24.04.1+deb.sury.org+1-Ubuntu <<>> list.sys4.de AAAA ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38474 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ; COOKIE: ba83e40ef3737ac40100000067f60e503ae212970160cb6d (good) ;; QUESTION SECTION: ;list.sys4.de. IN AAAA ;; AUTHORITY SECTION: sys4.de. 3316 IN SOA ns.sys4.de. hostmaster.sys4.de. 2025040903 3600 3600 604800 3600 ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP) ;; WHEN: Wed Apr 09 08:06:08 CEST 2025 ;; MSG SIZE rcvd: 119 Am 09.04.2025 um 07:57 schrieb Jack Raats via Postfix-users:
My only ipv6 mailserver tries to connect with list.sys4.de which is ipv6 only??? gr., Jack _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
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