Am 30.10.25 um 17:48 schrieb Travis Hazlewood via mailop:
* Sender IPs:
o 149.72.188.119
o 167.89.83.158
o 167.89.101.141
Hi, you're certainly aware of the recent topic of non-RFC-compliant header
munging at SendGrid?
It might be good to check whether your process could trigger that (over-long unsubscribe header fields) and follow the
advice given to prevent the non-compliant behavior.
Cheers,
Hans-Martin
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