The most common and most likely answer to this crossword clue is the 10 letter word NEWSLETTER
I've seen this crossword clue in The Times
N
E
W
S
L
E
T
T
E
R
More clues leading to the result NEWSLETTER
- Bulletin points landlord follows
- Fresh landlord brought round second bulletin
- Puppy apparently steals scrap of loo paper
- Young landlord brought round second bulletin
- Current landlord’s brought round second bulletin
- Communication network’s opening line adopted by confused tweeters
- Bulletin putting four points in front of landlord
- Young landlord enclosing second bulletin
- Current landlord brought round special printed update
- Source of information allowed to enter western ground
Buddy explains!

The straight part
We know that "Bulletin" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bulletin = newsletter.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NEWSLETTER mean?
NEWSLETTER noun- A periodically sent publication containing current events or the like, generally on a particular topic or geared toward a limited audience.