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campaigns: MAIN_EXCLUDE_OPERATORS override + Gmail-only exclusion for post-DKIM re-send

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After the Jun 2026 no-DKIM incident (campaign mail went out unsigned ->
junked/blocked, ~23% delivery), DKIM is fixed and we must re-send to the
now-signed audience. The builder previously held Google AND Microsoft AND
consumer-MX out until warmup day 30; that blocks the re-send of the Microsoft-
hosted business domains that are most of the list.

Add MAIN_EXCLUDE_OPERATORS (comma-separated mx_provider labels) to override
WARMUP_EXCLUDE_OPERATORS. Set it to 'google' in the workers env so we send to
everything EXCEPT Google's consumer inboxes (still recovering reputation),
including Microsoft/Hotmail. Drives both the SQL exclude and the per-operator
daily cap consistently. Unset => prior default; '' => exclude nobody.
This commit is contained in:
justin 2026-06-22 07:35:22 -05:00
parent 2d220a273d
commit 5a3063ecb3
2 changed files with 23 additions and 1 deletions
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16
scripts/build_trucking_campaigns.py
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@ -327,7 +327,21 @@ CONSUMER_MX_OPERATORS = (
)
# Everything held out of the warmup pool entirely until MAIN_BIG_MX_EXCLUDE_UNTIL_DAY,
# then re-introduced gradually via mx_daily_caps().
WARMUP_EXCLUDE_OPERATORS = BIG_MX_OPERATORS + CONSUMER_MX_OPERATORS
#
# MAIN_EXCLUDE_OPERATORS (comma-separated mx_provider labels) OVERRIDES this set
# when present. Use it to send to everything EXCEPT a specific operator without
# waiting for the calendar ramp -- e.g. after the Jun 2026 no-DKIM incident we
# re-send to the whole (now-signed) audience but still hold Google's consumer
# inboxes back while their reputation recovers:
# MAIN_EXCLUDE_OPERATORS="google"
# An empty string ("MAIN_EXCLUDE_OPERATORS=") means exclude NOBODY by operator.
_excl_override = os.getenv("MAIN_EXCLUDE_OPERATORS")
if _excl_override is None:
WARMUP_EXCLUDE_OPERATORS = BIG_MX_OPERATORS + CONSUMER_MX_OPERATORS
else:
WARMUP_EXCLUDE_OPERATORS = tuple(
o.strip().lower() for o in _excl_override.split(",") if o.strip()
)
MAIN_WARMUP_START_FILE = os.getenv("MTA_WARMUP_START_FILE", "/etc/postfix/pw-warmup-start")
# How many days to EXCLUDE the big operators entirely. The Jun 13-14 block storm
# means reputation is NOT yet established despite a high calendar day count, so we