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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
by postal
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by postal" is not commonly used in written English and may sound incomplete or awkward.
It can be used when referring to sending something through postal mail, but it is often better to use a more complete phrase. Example: "Please send the documents by postal service to the following address."
Science
News & Media
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
But the move was vigorously opposed by postal unions, some lawmakers, and business and residential customers.
News & Media
Advances in computer and message transmission technologies are, however, being utilized by postal administrations.
Encyclopedias
Most of the fan mail that comes to me by postal mail is nuts.
News & Media
But to Issa, the ecosystem is full of inefficiencies covered by postal customers.
News & Media
"Blackburn was a very difficult place to campaign – 37% of votes were cast by postal ballot.
News & Media
At the local level, areas are often identified by postal district.
Encyclopedias
The Rigases had been under surveillance by postal inspectors beginning on Monday, preparing for the arrest.
News & Media
"But the fact that that situation was caused by postal delays suggests Ticketmaster got it right".
News & Media
The F.B.I. said Mr. Reeves ordered the tapes from a company run undercover by postal inspectors.
News & Media
Questionnaires were sent by postal mail to all patients.
The study sample was provided with a written letter by postal mail.
Science
Expert writing Tips
Best practice
When specifying the method of delivery in instructions or official communication, "by postal" can be acceptable if followed by sufficient details.
Common error
Avoid using "by postal" without specifying what is being sent or the purpose of the postal communication. For instance, instead of saying "replies were sent by postal", specify "replies were sent by postal mail".
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by postal" primarily functions as an adverbial modifier, specifying the means by which something is transmitted or delivered. It indicates that the postal system is the method used for sending something, as seen in Ludwig's examples where questionnaires are sent "by postal mail" or samples are received "by postal service".
Frequent in
Science
55%
News & Media
30%
Encyclopedias
15%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "by postal" functions as an adverbial modifier indicating that something is sent or received through the postal system. While acceptable, Ludwig AI suggests that it may sound incomplete. Alternatives like "by mail" or "via postal service" may be clearer and more common, especially in formal writing. Its use is concentrated in scientific and news media contexts. When you opt to use the phrase, clarify the purpose and what is sent, as in "by postal mail" rather than just "by postal".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
by mail
A shorter and more frequently used alternative to "by postal".
via postal service
Replaces "by" with "via" and specifies "service" for clarity and formality.
through the postal system
Explicitly references the entirety of the postal infrastructure.
using postal delivery
Emphasizes the action of using the postal system for delivery.
through the mail
Uses a more common and general term for postal delivery.
through postal channels
Implies a formal process or system for postal delivery.
via the post office
Specifies the institution responsible for the delivery.
with postal shipment
Highlights the act of shipping something via the postal system.
by surface mail
Clarifies the shipment will be made by a regular, not expedited, postal service.
by courier
Indicates delivery via a specialized postal service with expedited delivery.
FAQs
What is a more common way to say "by postal"?
A more common way to express "by postal" is to say "by mail", which is generally more concise and widely understood.
Is it correct to say "by postal" or should I use "via postal service"?
Both "by postal" and "via postal service" are acceptable, but "via postal service" is often preferred in formal contexts because it's more explicit.
What does "by postal" mean?
"By postal" means that something is delivered or sent through the postal system, involving services provided by a post office or mail carrier.
When should I use "by postal" instead of "by email"?
Use "by postal" when you are referring to physical mail delivered through the postal service. Use "by email" when referring to electronic mail sent over the internet.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested