Verifying Jammy.... OK.

Following steps to reproduce:

root@JLINUX6:~# mkdir verification-LP-bug-J
root@JLINUX6:~# cd verification-LP-bug-J/
root@JLINUX6:~/verification-LP-bug-J# lsb_release -r
Release:	22.04
root@JLINUX6:~/verification-LP-bug-J# uname -r
6.2.11-060211-generic
root@JLINUX6:~/verification-LP-bug-J# pull-lp-source postfix jammy --security
Found postfix 3.6.4-1ubuntu1.1 in jammy
Downloading postfix_3.6.4-1ubuntu1.1.dsc from archive.ubuntu.com (0.003 MiB)
[=====================================================>]100%
Public key not found, could not verify signature
Downloading postfix_3.6.4.orig.tar.gz from archive.ubuntu.com (4.531 MiB)
[=====================================================>]100%
Downloading postfix_3.6.4-1ubuntu1.1.debian.tar.xz from archive.ubuntu.com (0.193 MiB)
[=====================================================>]100%
root@JLINUX6:~/verification-LP-bug-J# l
postfix-3.6.4/  postfix_3.6.4-1ubuntu1.1.debian.tar.xz  postfix_3.6.4-1ubuntu1.1.dsc  postfix_3.6.4.orig.tar.gz
root@JLINUX6:~/verification-LP-bug-J# cd postfix-3.6.4/
root@JLINUX6:~/verification-LP-bug-J/postfix-3.6.4# /usr/bin/make -f Makefile.in MAKELEVEL= Makefiles
(echo "# Do not edit -- this file documents how Postfix was built for your machine."; /bin/sh makedefs) >makedefs.tmp
set +e; if cmp makedefs.tmp conf/makedefs.out; then rm makedefs.tmp; \
else mv makedefs.tmp conf/makedefs.out; fi >/dev/null 2>/dev/null
set -e; for i in src/util src/global src/dns src/tls src/xsasl src/master src/milter src/postfix src/fsstone src/smtpstone src/sendmail src/error src/pickup src/cleanup src/smtpd src/local src/trivial-rewrite src/qmgr src/oqmgr src/smtp src/bounce src/pipe src/showq src/postalias src/postcat src/postconf src/postdrop src/postkick src/postlock src/postlog src/postmap src/postqueue src/postsuper src/qmqpd src/spawn src/flush src/verify rmail src/virtual src/proxymap src/anvil src/scache src/discard src/tlsmgr src/postmulti src/postscreen src/dnsblog src/tlsproxy src/posttls-finger src/postlogd; do \
 (set -e; echo "[$i]"; cd $i; rm -f Makefile; \
 /usr/bin/make -f Makefile.in Makefile MAKELEVEL=) || exit 1; \
done
[src/util]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/global]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/dns]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/tls]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/xsasl]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/master]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/milter]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postfix]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/fsstone]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/smtpstone]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/sendmail]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/error]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/pickup]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/cleanup]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/smtpd]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/local]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/trivial-rewrite]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/qmgr]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/oqmgr]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/smtp]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/bounce]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/pipe]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/showq]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postalias]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postcat]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postconf]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postdrop]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postkick]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postlock]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postlog]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postmap]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postqueue]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postsuper]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/qmqpd]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/spawn]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/flush]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/verify]
cat ../../conf/makedefs.out Makefile.in >Makefile
[rmail]
cat ../conf/makedefs.out Makefile.in >Makefile
[src/virtual]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/proxymap]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/anvil]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/scache]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/discard]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/tlsmgr]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postmulti]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postscreen]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/dnsblog]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/tlsproxy]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/posttls-finger]
cat ../../conf/makedefs.out Makefile.in >Makefile
[src/postlogd]
cat ../../conf/makedefs.out Makefile.in >Makefile
root@JLINUX6:~/verification-LP-bug-J/postfix-3.6.4#