3 ms·
So, why use a tracking pixel for that? Just send an email. e.g. $ head -n 100 /dev/random | md5sum a6cc1b7c09ccb122cb066c89e16b3140 - And that yields
by renewiltord 9mo ago
So, why use a tracking pixel for that? Just send an email. e.g.
$ head -n 100 /dev/random | md5sum
a6cc1b7c09ccb122cb066c89e16b3140 -
And that yields an instantaneous error message https://i.imgur.com/twHhIU3.png https://i.imgur.com/twHhIU3.png that reads "Address not found. Your message to a6cc1b7c09ccb122cb066c89e16b3140@gmail.com was not delivered because the address could not be found".