The National Crime Agency found messages sent between Banks and Burton on July 5, 2022 - two days after the first lorry carrying drugs was intercepted.
NCA Branch Commander John Turner said: "Burton, with Banks' help, attempted to smuggle huge quantities of harmful drugs into the UK, believing he could operate with impunity overseas.
Eddie Burton, 23, and his ex-partner Sian Banks, drug transportation scheme was discovered when two lorries, containing heroin, cocaine and ketamine, were intercepted in Dover in 2022.
Banks, 25, pleaded guilty to seven charges, including importing Class A drugs and money laundering after first being arrested in December 2023, Liverpool Echo reported.
Gran of jailed baby-faced drug dealer 'couldn't wait for tearaway teen to leave' in fraught visit The grandmother of a baby-faced dealer locked up for commanding a vast £20million drug empire has spoken of her “stranger” relation.
