No, the closing should be followed by a comma:
Sincerely,
Sincerely yours,
Very truly yours,
The situation that requires the use of a colon is d) the salutation of a business letter. In formal business correspondence, it is customary to follow the salutation (e.g., "Dear Mr. Smith:") with a colon to denote the start of the letter's body. In contrast, personal letters typically use a comma after the salutation.
Mixed punctuation in a business letter refers to the use of both a colon and a comma in the salutation and closing. Specifically, it involves placing a colon after the salutation (e.g., "Dear Mr. Smith:") and a comma after the closing (e.g., "Sincerely,"). This style combines elements of both open and closed punctuation, offering a formal yet approachable tone in business correspondence.
Note
colon colon
Following the name of the recipient in the salutation
A comma should follow the closing if there is a colon following the salutation.
The situation that requires the use of a colon is d) the salutation of a business letter. In formal business correspondence, it is customary to follow the salutation (e.g., "Dear Mr. Smith:") with a colon to denote the start of the letter's body. In contrast, personal letters typically use a comma after the salutation.
Mixed punctuation in a business letter refers to the use of both a colon and a comma in the salutation and closing. Specifically, it involves placing a colon after the salutation (e.g., "Dear Mr. Smith:") and a comma after the closing (e.g., "Sincerely,"). This style combines elements of both open and closed punctuation, offering a formal yet approachable tone in business correspondence.
Note
colon colon
In a business letter =P
salutation
salutation
A business letter's salutation should be followed by a colon. For example, "Dear Mr. Smith:" or "To Whom It May Concern:".
A colon is placed after "Dear" in a business letter, not after "The."
Following the name of the recipient in the salutation
Following the name of the recipient in the salutation