Thanks guys, I did narrow it down to Freemail being the issue. Sadly
when I tried Dogfight it died halfway through an import with a 201 or
211 error. Bill mentioned Aleximail, so I'll have a gander around and
see if I can find it.

Regards,
Glenn

--- ViaMAIL!/WC v2.00
 * Origin: ViaMAIL! - Lightning Fast Mailer for Wildcat!  (1:229/213)
SEEN-BY: 1/123 15/0 90/1 105/7 10 11 44 81 85 500 106/201 120/340
SEEN-BY: 123/131 129/305 153/7715 218/700 226/30 227/114 229/110 111
SEEN-BY: 229/112 113 114 206 307 317 424 426 428 470 550 664 700 266/512
SEEN-BY: 282/1038 317/3 320/219 322/757 342/200 396/45 460/58 633/280
SEEN-BY: 712/848
PATH: 105/81 229/426