The proper salutation for a husband and wife who are both doctors is "Drs. [Husband's Last Name] and [Wife's Last Name]." If they share the same last name, it can simply be "Drs. [Last Name]." Alternatively, you can address them as "Doctors [Husband's Last Name] and [Wife's Last Name]" if you prefer a more formal approach.
The salutation used for the envelope address can be either Dr. John Smith and Dr. Jane Smith, or Drs. John and Jane Smith. If you are writing a letter to both doctors, then he greeting in your letter can be Dear Drs. Smith.
Dr. and Mr. Smith
The Revds John and Mary Smith
The proper salutation in this case would be "Dr. [Wife's Last Name] and Mr. [Husband's Last Name]." This format acknowledges the wife's professional title while also including the husband's name. If they share the same last name, you would write "Dr. [Last Name] and Mr. [Husband's First Name] [Last Name]."
Dear Mr. John and Rev. Sally Smith,
A letter would be addressed to Mr. and Doctor. If they are both Doctors it would be Doctor and Doctor.
This could be done in several ways. I believe the current best practice would be The Reverend and Mr. Smith.
The proper salutation for a husband and wife who are both pastors is Pastors John and Jane Jones. Letters can be addressed in the following format: Pastors John and Jane JonesWonderful ChurchAddress line 1Address line 2City, State, ZipDay, Date, YearDear Pastors John and Jane Jones:
Dear Doctors Jon and Michelle Smith
Mr. John Doe and Ms. Mary Smith
You could address it to Reverend and Reverend Smith. The alternative would be the Reverends Smith.