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I've been sent a bunch of very odd emails recently, starting on Monday and sent daily until last Thursday. I'm not 100% sure what they mean or why I am being sent them, but perhaps you could help me.

Every email is sent from someone called 'advice@email-help.com' and the subject is always 'Advice for emails'. However, all the emails seem to be gibberish! They include a time, and some random word and thats it!

I've transcribed them below, in the order I received them. Perhaps you could figure out the advice that I am being sent?


Monday

6:38 PRELUSIVE
1:38 ENNOBLES
3:08 SPELLING
6:38 BACKWARD
3:52 SAFEGUARD
9:23 DEFLECTED

Tuesday

6:15 ARTICGUSTS
1:38 EXAMINABLE
6:38 PRELECTFUL
6:23 CABBAGE

Wednesday

3:52 AGEDFIND
9:53 INEXCITABLE
1:53 FLAGGED
9:15 CHILDISHBOYS

Thursday

7:15 FLOWERED
6:38 DIALOGED
7:53 UNGIFTED
1:38 XXXXXXXX


After that, the emails stopped. I should probably ignore them, but they've been stuck in my mind.

What should I do with these emails?

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  • 1
    $\begingroup$ The Gerbil hath posted another puzzle! $\endgroup$ – matt Sep 28 at 19:04
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The italicised letters

spell XTH LETTERS backwards.

Using that,

we can index into each word by the three digits of the time to get a message:
SEVEN SEG / ACDFG / ADEFG / ACE / ABCEFG / ABEFG / BCEFG / ABCDEF / EG / ADEFG

Interpreting these

enter image description here
as seven-segment display letters, they spell out SEMAPHORE.

And this gives the advice:

interpreting the given times as semaphore, we get the answer ALWAYS FLAG YOUR MAIL.

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  • $\begingroup$ Ah... I mis-spaced the first few as rot13('FRIRAF R.T.' naq gura gevrq gb genafyngr nyy gur yrggref nf zhfvpny abgrf) - I've just spent the last few minutes singing for no reason! Well done :) +1 $\endgroup$ – Stiv Sep 28 at 19:13
  • $\begingroup$ How do you interpret the times as semaphore? $\endgroup$ – bobble Sep 28 at 19:42
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    $\begingroup$ @bobble if you take the times and look at where the hands of a clock would point $\endgroup$ – Beastly Gerbil Sep 28 at 20:40

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