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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
sent by regular mail
Grammar usage guide and real-world examplesUSAGE SUMMARY
'sent by regular mail' is a correct and usable phrase in written English.
It could be used when specifying a delivery method or to emphasize that an item is being sent physically, rather than digitally. For example: "Please send me a copy of the report sent by regular mail."
✓ Grammatically correct
Science
News & Media
Wiki
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
19 human-written examples
A $12 report -- faxed, e-mailed or sent by regular mail to the consumer -- will also include information on dealer holdbacks and incentives.
News & Media
Submissions sent by regular mail will not be returned, so please do not send original copies of your work.
News & Media
The Reporters Committee for Freedom of the Press received a letter sent by regular mail on Friday by Justice Scalia, responding to the group's faxed complaint.
News & Media
Yet officials also acknowledged that because the hard drives were classified secret, rather than top secret, they could be sent by regular mail to another federal building.
News & Media
Camera-enforcement systems, he said, often result in "inadequate notification," since violations are sent by regular mail, with uncertain delivery, to a person who owns or rents the car, but is not necessarily the one supposed to have committed the violation.
News & Media
Responses were sent by regular mail or fax.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
The use of dry brush devices may have advantages over cervico-vaginal lavage devices, as brushes can be transported and stored dry, whereas liquid specimens are less convenient for sending by regular mail (van Baars et al, 2012).
Science
Ideally within 24-hours of collection, the nasal swabs were then sent by regular postal mail (in accordance with Australia Post regulations [ 23]) at ambient temperature to our research laboratory where they were stored at -80°C until analysis.
Science
Correspondence can be emailed to [email protected] or sent by regular or interoffice mail to Room 3-208.
A farm questionnaire was sent by e-mail or regular mail to all participating farms between October 2009 and May 2010 and completed by the farm owner or farm manager.
Science
For the first set of samples (samples 1 33, see Table 2) faeces were collected on a Thursday and sent by ordinary regular mail without a cooling device.
Science
Expert writing Tips
Best practice
When specifying a delivery method, use "sent by regular mail" to clearly indicate that an item is being physically mailed rather than sent electronically or by express service. This is especially useful in contexts where the delivery method might be ambiguous.
Common error
Do not assume everyone understands what "regular mail" means in the modern context. Be clear and specify "sent by regular mail" instead of just "mailed" to avoid confusion with electronic communication or faster shipping options.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sent by regular mail" functions as a prepositional phrase that modifies a verb, typically specifying the means by which something was delivered. As Ludwig AI confirms, the phrase is correct and usable in written English, providing clarity about the delivery method.
Frequent in
Science
50%
News & Media
30%
Wiki
10%
Less common in
Academia
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "sent by regular mail" is a grammatically correct and commonly used phrase to specify that an item was delivered via the standard postal service. Ludwig AI confirms its usability, and its frequency across various contexts like science, news, and wiki articles indicates its broad applicability. To ensure clarity, especially in contexts where delivery methods may be ambiguous, it's best to use this phrase to avoid confusion. While alternatives such as "mailed via standard post" or "shipped through postal service" exist, "sent by regular mail" remains a straightforward and widely understood way to describe this particular method of delivery.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mailed via standard post
Replaces "regular mail" with "standard post", emphasizing the postal service.
shipped through postal service
Uses "shipped" instead of "sent", highlighting the transportation aspect.
dispatched via surface mail
Replaces "regular mail" with "surface mail", which is a more formal term.
forwarded by ordinary mail
Substitutes "regular" with "ordinary", implying a non-express service.
transmitted via the post
Uses "transmitted" and "the post" for a slightly more formal tone.
sent by snail mail
Replaces "regular mail" with the more colloquial "snail mail".
delivered by traditional mail
Focuses on the delivery aspect using "traditional mail".
sent through the mail system
Broadens the description to "mail system" instead of specifying regular.
posted through the mail
Uses "posted" which is common in British English.
sent via standard shipping
Emphasizes the shipping aspect rather than specifically mail.
FAQs
What does "sent by regular mail" mean?
It means that something was physically delivered using the standard postal service, as opposed to being sent electronically or via a faster, more expensive shipping method.
When should I use "sent by regular mail"?
Use it when you need to specify that something was physically mailed using the standard postal service. For example, if you want to clarify that a document wasn't "sent by email", you could say, "The contract was sent by regular mail."
Is there a difference between "sent by regular mail" and "sent by standard mail"?
No, the terms are largely interchangeable. Both "sent by regular mail" and "sent by standard mail" refer to the same method of postal delivery, which is the basic, non-expedited service.
What are some alternatives to "sent by regular mail"?
You can use alternatives like "mailed via standard post", "shipped through postal service", or "dispatched via surface mail" depending on the context and desired level of formality.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested