Hi Otto, Ugh! They have an "SPF record" and causes the error, your patch solves the issue.
This will also prevent similar error(s) from other offenders, so FWIW OK mestre@ On 13:13 Tue 06 Mar , Otto Moerbeek wrote: > On Tue, Mar 06, 2018 at 10:46:23AM +0100, Jan Johansson wrote: > > > >Synopsis: Bus error in smtpctl spf walk (on certain domains) > > >Category: user > > >Environment: > > System : OpenBSD 6.3 > > Details : OpenBSD 6.3-beta (GENERIC.MP) #26: Fri Mar 2 22:56:04 > > MST 2018 > > > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > > > Architecture: OpenBSD.amd64 > > Machine : amd64 > > >Description: > > Got a mail with "Return-Path: bounces+abcd1...@sendgrid.meetup.com" > > and wanted to add it to my white list but smtpctl spf walk says "Bus > > error". Other domains like facebookmail.com works without problem. > > http://www.kitterman.com/spf/validate.html seems to think > > sendgrid.meetup.com has a valid record. > > > > >How-To-Repeat: > > echo sendgrid.meetup.com | smtpctl spf walk > > > > >Fix: > > Not known > > Try this, > > -Otto > > Index: spfwalk.c > =================================================================== > RCS file: /cvs/src/usr.sbin/smtpd/spfwalk.c,v > retrieving revision 1.5 > diff -u -p -r1.5 spfwalk.c > --- spfwalk.c 26 Jan 2018 08:00:54 -0000 1.5 > +++ spfwalk.c 6 Mar 2018 12:12:42 -0000 > @@ -140,6 +140,8 @@ dispatch_txt(struct dns_rr *rr) > char *end; > ssize_t n; > > + if (rr->rr_type != T_TXT) > + return; > n = parse_txt(rr->rr.other.rdata, rr->rr.other.rdlen, buf, sizeof(buf)); > if (n == -1 || n == sizeof(buf)) > return; >
