opensmtpd can't handle long lines in aliases table

[openbsd . bugs]

>Synopsis:      opensmtpd can't handle long lines in aliases table
>Category:      opensmtpd
>Environment:
        System      : OpenBSD 6.7
        Details     : OpenBSD 6.7 (GENERIC) #5: Tue Jul 21 13:24:31 MDT 2020
                         
r...@syspatch-67-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC

        Architecture: OpenBSD.amd64
        Machine     : amd64
>Description:
When having a large line in opensmtpd table, the daemon runs fine but
when trying to send emails from the user for that line (or from any
alias from that line there is an error saying

> Aug  2 09:33:34 mail smtpd[35636]: a05ce7f284d26d63 smtp authentication 
> user=ai...@aisha.cc result=ok
> Aug  2 09:33:34 mail smtpd[36367]: warn: failure during mailaddrmap lookup 
> revirt:ai...@aisha.cc
> Aug  2 09:33:34 mail smtpd[35636]: a05ce7f284d26d63 smtp failed-command 
> command="MAIL FROM:<openbsd.t...@aisha.cc> BODY=8BITMIME SIZE=1171" 
> result="421 4.3.0 Te
mporary Error"

my /etc/mail/smtpd.conf:

# options for smtpd
queue compression
queue ttl 4d
bounce warn-interval 1h, 6h, 2d # default: 4h
smtp max-message-size 33M

smtp sub-addr-delim '.'

# actual mail handling
pki aisha.cc cert  "/etc/excision/ssl/aisha.cc.crt"
pki aisha.cc key   "/etc/excision/ssl/private/aisha.cc.key"

# Filters
#
# junk: add X-Spam header
# junk those sending from dynamic ip regex matches
filter check_dyndns phase connect match rdns regex { ".*\.dyn\..*", 
".*\.dsl\..*" } junk

# junk those who don't have forward or reverse dns
filter check_rdns phase connect match !rdns junk
filter check_fcrdns phase connect match !fcrdns junk

# junk and slow those below a sender score of 70
filter senderscore proc-exec "filter-senderscore -junkBelow 70 -slowFactor 1000"

# also use the rspamd filter
filter rspamd proc-exec "filter-rspamd"

# Tables
#
# Local host aliases
table   aliases \
        file:/etc/mail/aliases
#
# Virtual host aliases
table   virtuals \
        file:/etc/mail/virtual
table   revirt \
        file:/etc/mail/revirt
#
# Virtual domains
table   vdomains \
        file:/etc/mail/vdomains
#
# Virtual passwd
table   passwd \
        passwd:/etc/mail/passwd
#
# OpenPGP WKS Submission Address
table   submission-address \
        file:/etc/excision/spam/submission-address

# Incoming connections
#
# Local messages
listen on socket \
        filter rspamd
#
# If we defined a private interface, we probably want to get emails 
# on that interface without mucking around with filters and
# what not, so lets just listen there quietly
listen on tun0
#
# Incoming messages from outside to people in <vdomain>
# this filter checks for spam vs ham on smtp port
listen on egress \
        tls pki aisha.cc \
        filter { check_dyndns, check_rdns, check_fcrdns, senderscore, rspamd }
# 
# User submitted messages on two ports 465-SSL/TLS and 587-STARTTLS
# this filter signs the outgoing emails using the rspamd dkim_signing module
listen on egress port smtps \
        smtps pki aisha.cc \
        auth <passwd> received-auth \
        senders <revirt> \
        filter rspamd 
listen on egress port submission \
        tls-require pki aisha.cc \
        auth <passwd> received-auth \
        senders <revirt> \
        filter rspamd 

# Sending messages
#
action "local_mail" \
        mbox \
        alias <aliases>
action "dovecot-lmtp" \
        lmtp "/var/dovecot/lmtp" rcpt-to \
        virtual <virtuals>
action "outbound" \
        relay \
        helo mail.aisha.cc

# Rules - first to match is applied
#
# Forward local messages
match   from local \
        for local \
        action "local_mail"
#
# Send any authenticated mail not meant for <vdomains> to outside
match   from any auth \
        !for domain <vdomains> \
        action "outbound"
#
# Local mail to <vdomains> is sent properly
match   from local \
        for domain <vdomains> \
        action "dovecot-lmtp"
#
# From authenticated users to <submission-address>
match   from any auth \
        for domain <vdomains> \
        rcpt-to <submission-address> \
        action "dovecot-lmtp"
# 
# accept mail from outside sent to our <vdomains>
# BUT not those who are coming for key-submission
match   from any \
        for domain <vdomains> \
        !rcpt-to <submission-address> \
        action "dovecot-lmtp"
#
# Every other mail is to be rejected
match   from any \
        for any \
        reject


problem line from the <revirt> table:


ai...@aisha.cc                          
ai...@aisha.cc,postmas...@aisha.cc,ab...@aisha.cc,n...@aisha.cc,secur...@aisha.cc,hostmas...@aisha.cc,use...@aisha.cc,n...@aisha.cc,webmas...@aisha.cc,dmarcrepo...@aisha.cc,tlsrepo...@aisha.cc,ansim...@aisha.cc,gen...@aisha.cc,open...@aisha.cc,n...@aisha.cc,faceb...@aisha.cc,enigm...@aisha.cc,testu...@aisha.cc,e...@aisha.cc,st...@aisha.cc,git...@aisha.cc,n...@aisha.cc,m...@aisha.cc,freen...@aisha.cc,r...@aisha.cc,lez...@aisha.cc,kat...@aisha.cc,mee...@aisha.cc,mozi...@aisha.cc,c...@aisha.cc,w...@aisha.cc,z...@aisha.cc,m...@aisha.cc,m...@aisha.cc,pro...@aisha.cc,aliexpr...@aisha.cc,a...@aisha.cc,ama...@aisha.cc,backbl...@aisha.cc,d...@aisha.cc,i...@aisha.cc,s...@aisha.cc,ramn...@aisha.cc,shroom...@aisha.cc,dn...@aisha.cc,afr...@aisha.cc,cfl...@aisha.cc,clou...@aisha.cc,racksp...@aisha.cc,firef...@aisha.cc,aish...@aisha.cc,epsi...@aisha.cc,am...@aisha.cc,bgpsp...@aisha.cc,epsi...@epsilonknot.xyz,postmas...@epsilonknot.xyz,ab...@epsilonknot.xyz,n...@epsilonknot.xyz,secur...@epsilonknot.xyz,hostmas...@epsilonknot.xyz,use...@epsilonknot.xyz,n...@epsilonknot.xyz,webmas...@epsilonknot.xyz,dmarcrepo...@epsilonknot.xyz,tlsrepo...@epsilonknot.xyz,ansim...@epsilonknot.xyz,w...@aisha.cc,r...@aisha.cc,postmas...@bsd.ac,ab...@bsd.ac,n...@bsd.ac,secur...@bsd.ac,hostmas...@bsd.ac,use...@bsd.ac,n...@bsd.ac,webmas...@bsd.ac,dmarcrepo...@bsd.ac,tlsrepo...@bsd.ac,ansim...@bsd.ac,ai...@bsd.ac,purr...@bsd.ac,c...@bsd.ac,c-stru...@bsd.ac,nycm...@bsd.ac,n...@epsilonknot.xyz,ata...@bsd.ac,z...@epsilonknot.xyz,excis...@aisha.cc,excis...@epsilonknot.xyz,excis...@bsd.ac,postmas...@shinigami.xyz,ab...@shinigami.xyz,n...@shinigami.xyz,secur...@shinigami.xyz,hostmas...@shinigami.xyz,use...@shinigami.xyz,n...@shinigami.xyz,webmas...@shinigami.xyz,dmarcrepo...@shinigami.xyz,tlsrepo...@shinigami.xyz,excis...@shinigami.xyz,calen...@aisha.cc,calen...@epsilonknot.xyz,calen...@bsd.ac,calen...@shinigami.xyz,postmas...@kshirsagar.xyz,ab...@kshirsagar.xyz,n...@kshirsagar.xyz,fl...@bsd.ac,te...@aisha.cc,te...@aisha.cc,te...@aisha.cc,te...@aisha.cc,te...@aisha.cc,te...@aisha.cc,te...@aisha.cc

if I remove the email te...@aisha.cc, then I am able to send emails normally, 
but if I keep the te...@aisha.cc then I get the above error in 
/var/log/maillog= 9


dmesg:
OpenBSD 6.7 (GENERIC) #5: Tue Jul 21 13:24:31 MDT 2020
    r...@syspatch-67-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC
real mem = 1056817152 (1007MB)
avail mem = 1012322304 (965MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf5930 (9 entries)
bios0: vendor SeaBIOS version "rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org" 
date 04/01/2014
bios0: QEMU Standard PC (i440FX + PIIX, 1996)
acpi0 at bios0: ACPI 1.0
acpi0: sleep states S3 S4 S5
acpi0: tables DSDT FACP APIC HPET
acpi0: wakeup devices
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Virtual CPU 523cbcdd6ca4, 2395.50 MHz, 06-3d-02
cpu0: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,RDTSCP,LONG,LAHF,ABM,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,ARAT,XSAVEOPT,MELTDOWN
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 
16-way L2 cache
cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 999MHz
ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 20, 24 pins
acpihpet0 at acpi0: 100000000 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpicpu0 at acpi0: C1(@1 halt!)
"ACPI0006" at acpi0 not configured
acpipci0 at acpi0 PCI0: _OSC failed
acpicmos0 at acpi0
"PNP0A06" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"QEMU0002" at acpi0 not configured
"ACPI0010" at acpi0 not configured
cpu0: using Broadwell MDS workaround
pvbus0 at mainbus0: KVM
pvclock0 at pvbus0
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 
wired to compatibility, channel 1 wired to compatibility
pciide0: channel 0 disabled (no drives)
atapiscsi0 at pciide0 channel 1 drive 0
scsibus1 at atapiscsi0: 2 targets
cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
iic0 at piixpm0
vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio0: address 56:00:02:7f:a6:34
virtio0: msix per-VQ
virtio1 at pci0 dev 4 function 0 "Qumranet Virtio Storage" rev 0x00
vioblk0 at virtio1
scsibus2 at vioblk0: 2 targets
sd0 at scsibus2 targ 0 lun 0: <VirtIO, Block Device, >
sd0: 25600MB, 512 bytes/sector, 52428800 sectors
virtio1: msix shared
virtio2 at pci0 dev 5 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
viomb0 at virtio2
virtio2: apic 0 int 10
virtio3 at pci0 dev 6 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio3
virtio3: apic 0 int 10
virtio4 at pci0 dev 7 function 0 "Qumranet Virtio Network" rev 0x00
vio1 at virtio4: address 5a:00:02:7f:a6:34
virtio4: msix shared
isa0 at pcib0
isadma0 at isa0
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
usb0 at uhci0: USB revision 1.0
uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
addr 1
uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" rev 
2.00/0.00 addr 2
uhidev0: iclass 3/0
ums0 at uhidev0: 3 buttons, Z dir
wsmouse1 at ums0 mux 0
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd0a (d7d104baf4499ac3.a) swap on sd0b dump on sd0b
fd0 at fdc0 drive 1: density unknown

usbdevs:
Controller /dev/usb0:
addr 01: 8086:0000 Intel, UHCI root hub
         full speed, self powered, config 1, rev 1.00
         driver: uhub0
addr 02: 0627:0001 QEMU, QEMU USB Tablet
         full speed, power 100 mA, config 1, rev 0.00, iSerial 
28754-0000:00:01.2-1
         driver: uhidev0