Here are the possible solutions for six day a week delivery clue
Answer
Clue
Relevancy
mail
Clue
Six-day-per-week delivery
Six-day-a-week delivery
Definition
to send by the government postal system
snailmail
Clue
Six-day-a-week delivery, slangily
iraqwar
Clue
Campaign about which Rumsfeld said in 2003 "it could last six days, six weeks - I doubt six months"
asif
Clue
Valley girl's "yeah, right" [IMPORTANT: SEE THE 'NOTE' (above) for key info about this week's puzzle and SEE THE LAST CLUE DOWN for the explanation of last week's puzzle.]
bleed
Clue
Run in the wash[To fully understand this week's and last week's puzzles, SEE NOTE ABOVE]
Definition
to lose blood
dayafterday
Clue
Week in and week out
enakedladies
Clue
Band whose 1998 song "One Week" was #1 for one week