Exim + Ipv6 + Gmail

Nos comunica un cliente que los mensajes le vienen devueltos con este mensaje:

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Lo que hago es desactivar el IPV6 en el exim:
nano /etc/exim4/exim4.conf.template

y agrego la linea

disable_ipv6 = true

justo debajo de las 3 primeras lineas:

CLAMD =  yes

disable_ipv6 = true

domainlist local_domains = dsearch;/etc/exim4/domains/

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Copyright 2018 Javier Antó | Javi