[MM3-users] getting spammed when sending lots of mails (>1000)

Hello

Using Mailman 3.2 / Posfix 2.10.1 I have a list configured, when having only few members, all is OK, email gets to inbox (at GMail)

But when sending to thousands of members, it gets to the Spam folder, Is it a matter of rate-limiting at postfix ?

Thanks

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Asaf Ohayon SRE | SysBind M: +972 547920828 P: + 972 3 5096219 E: asaf@sysbind.co.il Rothschild 60, Bat Yam www.sysbind.co.il