isn't it more likely that your ISP or mail server spots the influx of spam more readily as it moves through the alphabet and closes the hole accordingly ?

One email to "albert" from a certain IP is less likely to raise an eyebrow than 10 similar ones to "albert", "betty", "charlie" etc...

Simple heuristics, no ?
change your name to ZzzZddFEdfd445De77Uoip ZzzZzzF55GTHy7764 and you should be ok for some time.
isn't it more likely that your ISP or mail server spots the influx of spam more readily as it moves through the alphabet and closes the hole accordingly ?

One email to "albert" from a certain IP is less likely to raise an eyebrow than 10 similar ones to "albert", "betty", "charlie" etc...

Simple heuristics, no ?