Repeated headers in wp_mail

Related Posts:

1. Postman: wp_mail has been declared by another plugin or theme
2. Using wp_mail with attachments but no attachments received
3. How to send an email using wp_mail and using more than one BCC in the header
4. Check to check if wp_mail is working properly?
5. Multiple email recipient using wp_mail()
6. Adding an Attachment to Contact Form Using wp_mail
7. Using wp_mail() – verify that email was sent?
8. Email reply to multiple email addresses not working
9. wp_mail line break not working
10. Add multiple recipients via BCC on wp_mail()
11. Change Default wp_mail From, Without Affecting Gravity Forms
12. How to use ‘phpmailer_init’ SMTP settings only on certain ‘wp_mail’ actions?
13. Send automatic emails to multiple user roles when a custom field is updated in a custom post type
14. Can you set envelope sender used by wp_mail?
15. Do I have to override the wp_mail() pluggable function with writing a plugin?
16. Using wp_mail() function outside of WordPress and through PHP CLI
17. Unexpected = (equal sign) characters in wp mail
18. wp_mail isn’t making the from header correctly
19. How to stop the wp_mail function?
20. Sending HTML email with attachment with wp_mail()
21. Need clarification on how to correctly call wp_mail()
22. WordPress wp_mail() how to add a .GIF
23. wp_mail() sends wrong From header
24. Remove from “WordPress” when reciving email (Should I remove filter?)
25. Using wp_schedule_event to send emails including links
26. Add a hook to wp_mail() to track Google Analytics Event
27. Email all subscribers when i do an action
28. wp_mail is sending two emails when used after retrieving session data
29. How Can I Change Default Reply ToEmail
30. How do I set wp_mail arguments/manually force wp_mail sending based on the sender’s email address?
31. How to restrict sending email twice in wp_mail
32. Restrict current user from receiving email using wp_mail
33. Mask Sender Address in wp_mail() in WordPress [closed]
34. wp_mail is not sending email if I pass an array of emails
35. wp_mail: An array as $to – multiple emails or single email with all the email ids in it?
36. How to send bulk messages using wp mail function?
37. how to send an email with wp_mail with an image on the email body
38. Unable to send custom welcome email after user register
39. test email is working but not sending email with wp mail [closed]
40. wp_mail attachment woes!
41. wp_mail() inside AJAX handler never returns
42. wp_mail not sending when attachment
43. How can I replace Email addresses with BitMessage Addresses througout wordpress?
44. Trying to get author’email for sending email from single.php page in wordpress?
45. wp_mail not sending in test php file
46. wp_mail not sending emails
47. wp_mail sending mail twice!
48. Using WP_Mail on MacOS 12 (Monterey – M1) [closed]
49. wp_mail sending old content from post
50. If/elseif statement within wp_mail function
51. Sending mails with wp_mail() to multiple recipients using wp_cron and dynamic email body data
52. WordPress wp_mail function not working, returns false
53. Prevent sending emails on user creation in OOP context?
54. How to send multiple email to different addresses
55. How to send language string in email message body
56. Wp_Mail and Contact Form 7
57. wp_mail strips out the link url from the anchor tag in mail content
58. wp_mail – using a custom field value for $to
59. How to disable wp_mail for all users except for admins?
60. How to send email from contact page without using a plugin
61. wp_mail ignores the name in From field
62. wp_mail encode ’ in ’ in subject
63. wp_mail issue with sending PDF
64. Wp_mail() function not working in Windows and MAC OS
65. wp_mail BCC admin
66. Problem using wp_mail function
67. Using SMTP Function instead of Plugin (functions.php)
68. WordPress doesn’t work properly with non standard domain names – PHPMailer fails when initialising
69. Using two different outgoing email services, can it be done?
70. WordPress wp_mail function crashing website
71. wp_mail only sends emails to gmail
72. How to send a particular csv file as an email?
73. Sending bulk mail to a certain number of users
74. Send a email base on a taxonomy term
75. Contact form with file upload
76. WP Mail plugin not sending the mail
77. Mail not working on WordPress site
78. Include content post WordPress – Email notification
79. Email me when front posting or update post
80. wp_mail sends email twice inside function updated_postmeta
81. wp mail smtp earlier version
82. How to use Contact Form 7 to handle the server side mail() only?
83. wp_mail sending emails in triplicate
84. adding Recipient to wp_email() is not working?
85. If I connect my own SMTP server to wp_mail, reset password doesn’t works anymore
86. How to make mailing queue using php’s mail() function
87. Change Password URL missing In forgot Password mail
88. Using wp_mail in functions.php
89. wp_mail() function doesn’t send email in Ajax mode
90. wp_mail: Using file_get_contents to include template in message
91. WP – not sending email
92. Why does WordPress not send password reset emails from the Administrator Address?
93. Cc header in wp_mail() not working
94. WordPress Bimber template not sending User activation mails automatically
95. How to get cron name which calls my function
96. wp_mail fails with “Could not instantiate mail function” but “mail()” works fine
97. Send both HTML and Plain Text emails using wp_mail in wordpress
98. Best collection of code for your 'functions.php' file [closed]
99. Is there a way to send HTML formatted emails with WordPress’ wp_mail() function?
100. Where can I find a list of WordPress hooks?