Dover came back to haunt Andy Hessenthaler as 10-man Gillingham suffered an FA Cup first-round shock at Priestfield.
Gills boss Hessenthaler, who controversially left Dover in the summer, watched his npower League Two strugglers lose 2-0 to the Blue Square Bet South outfit thanks to Adam Birchall's 30-yard screamer and a goal from Luke I'Anson.
To make matters worse, Gillingham's John Nutter also saw red for a professional foul.
Conference North side Vauxhall Motors performed heroically as they earned a memorable goalless draw at League One Hartlepool.
There are 74 places between the visitors and their opponents but it counted for little and the teams must replay a week on Tuesday.
Pools missed a stack of early chances but finished the game with 10 men after Ritchie Humphreys slid in on Scott Tynan with a tackle that left the goalkeeper with a suspected broken leg.
Tamworth knocked out League Two Crewe with a 2-1 win. Alex Rodman and Danny Thomas put the Conference Premier side 2-0 ahead before Ashley Westwood set up a nervy finish.
Veteran keeper Jimmy Walker prevented Walsall suffering an upset at Fleetwood Town.
Matt Richards put the visitors ahead but Steve McNulty missed a penalty to draw Fleetwood level before Ryan McGivern was sent off for a reckless tackle.
Jamie Mullan eventually made it 1-1 but Walker almost single-handedly earned League One basement boys Walsall a replay.
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