The phrase "allowed messages" is correct and usable in written English.
It can be used to refer to messages that are permitted or authorized within a specific context, such as a communication platform or a set of guidelines.
Example: "Please ensure that all allowed messages are sent through the official channel to maintain clarity and security."
Alternatives: "permitted messages" or "authorized messages".
The telegraph allowed messages to be tapped out in code over long distances – not so unlike the Fox sisters' purported ghost – and the ability to communicate first with other cities, then countries, eventually to transmit messages across the Atlantic, was brilliant and alarming.
Greater effect was noted with repetitive public education efforts that allowed messages to sink in.
If you previously allowed Messages from everyone you might see a little less spam.
The list of banned and allowed messages - seen by BBC Sport - is two pages long and features nearly 50 items.
TTY machines allowed messages to be typed then transmitted through the phone lines, where the message was received by another TTY device.
In 1482, while in Scotland, King Edward IV established a temporary relay of riders between London and Berwick-upon-Tweed, which allowed messages to be transmitted within two days, and appears to have imitated a system used by Louis XI of France.
The "not allowed" message was gone, replaced by one that says the requested name is simply "not available".
The report finds that none of the major three parties allowed message boards or chat rooms for users to post their opinions on the sites.
However, the substantial differences regarding the allowed message payloads and the heterogeneity of the signal periods indicate the need for a systematic design method to fully utilize its large transmission bandwidth.
The Internet allows messages to be better focused on particular groups of potential customers.
Twitter, which allows messages of no longer than 140 characters, also contributed to the upheaval.
