- 20 IPs (.90-.109 / mta01-mta20) with FCrDNS + SPF in HestiaCP - .90 (mta01) dedicated Yahoo/AOL recovery IP (yahooslow, 20s trickle) - .91-.109 (out02-out20) rotation pool via transport_maps randmap - pw-mta-warmup: cron-driven scheduler grows the active rotation pool 3 -> 5 -> 8 -> 12 -> 16 -> 19 IPs over ~25 days - mta_setup.sh: idempotent installer (backups + postfix-check-gated reload) New IPs verified clean on Spamhaus/Barracuda/SpamCop/SORBS. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
80 lines
3 KiB
Bash
80 lines
3 KiB
Bash
#!/bin/bash
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set -e
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TS=$(date +%s)
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echo "=== backups ==="
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cp /etc/postfix/master.cf /etc/postfix/master.cf.bak.$TS
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cp /etc/postfix/main.cf /etc/postfix/main.cf.bak.$TS
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cp /etc/postfix/transport /etc/postfix/transport.bak.$TS
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echo "backed up (.$TS)"
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echo "=== master.cf: yahooslow bind .90 + add out02..out20 ==="
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python3 - <<'PY'
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mc = open('/etc/postfix/master.cf').read()
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if 'smtp_bind_address=207.174.124.90' not in mc:
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out=[]; iny=False
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for ln in mc.split('\n'):
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out.append(ln)
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if ln.startswith('yahooslow '): iny=True
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elif iny and 'smtp_destination_recipient_limit=1' in ln:
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out.append(' -o smtp_bind_address=207.174.124.90')
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out.append(' -o smtp_helo_name=mta01.performancewest.net')
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iny=False
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mc='\n'.join(out)
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if 'out02 unix' not in mc:
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b=['','# === Warmup rotation pool (.91-.109 / mta02-mta20) ===']
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for i in range(2,21):
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octet=89+i; name='out%02d'%i; helo='mta%02d.performancewest.net'%i
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b += ['%s unix - - n - - smtp'%name,
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' -o smtp_bind_address=207.174.124.%d'%octet,
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' -o smtp_helo_name=%s'%helo,
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' -o syslog_name=postfix/%s'%name,
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' -o smtp_destination_concurrency_limit=2',
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' -o smtp_destination_rate_delay=2s',
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' -o smtp_destination_recipient_limit=2']
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mc=mc.rstrip('\n')+'\n'+'\n'.join(b)+'\n'
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open('/etc/postfix/master.cf','w').write(mc)
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print(' master.cf updated')
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PY
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echo "=== transport: yahoo/aol/yahoo-ISPs -> yahooslow; gmail/outlook removed (rotate) ==="
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cat > /etc/postfix/transport <<'EOF'
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# Yahoo/AOL + Yahoo-hosted ISPs -> dedicated .90 trickle (yahooslow). Everything
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# else falls through transport_maps to the randmap rotation pool.
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yahoo.com yahooslow:
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ymail.com yahooslow:
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rocketmail.com yahooslow:
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aol.com yahooslow:
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att.net yahooslow:
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sbcglobal.net yahooslow:
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bellsouth.net yahooslow:
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verizon.net yahooslow:
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frontier.com yahooslow:
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frontiernet.net yahooslow:
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EOF
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/usr/sbin/postmap /etc/postfix/transport
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echo " transport rebuilt"
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echo "=== install warmup scheduler + stamp start + set phase-1 pool ==="
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cp /tmp/pw-mta-warmup.sh /usr/local/bin/pw-mta-warmup
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chmod +x /usr/local/bin/pw-mta-warmup
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/usr/local/bin/pw-mta-warmup --start
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echo "=== postfix check (gate) ==="
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if /usr/sbin/postfix check 2>&1; then
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echo "CHECK OK"; /usr/sbin/postfix reload && echo "RELOADED"
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else
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echo "CHECK FAILED — rolling back"
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cp /etc/postfix/master.cf.bak.$TS /etc/postfix/master.cf
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cp /etc/postfix/main.cf.bak.$TS /etc/postfix/main.cf
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cp /etc/postfix/transport.bak.$TS /etc/postfix/transport
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/usr/sbin/postmap /etc/postfix/transport
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/usr/sbin/postfix reload
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echo "ROLLED BACK"; exit 1
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fi
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echo "=== cron (daily warmup advance) ==="
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echo '17 7 * * * root /usr/local/bin/pw-mta-warmup >> /var/log/pw-mta-warmup.log 2>&1' > /etc/cron.d/pw-mta-warmup
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echo "=== final transport_maps ==="
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/usr/sbin/postconf -h transport_maps
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echo "=== out transport count ==="
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grep -cE "^out[0-9]+ unix" /etc/postfix/master.cf
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