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Hello WP Mail SMTP by WPForms support,
Unfortunately I get an error message with the statement in irregular intervals:
“E-MAIL Dispatch ERROR: The plugin WP Mail SMTP v2.2.1 has logged this error during the last attempt to send an e-mail. mailer: Other SMTP connection, SMTP Error: data not accepted. Please review your SMTP settings in…”
This error disappears after I send a test email and the rest of the email traffic works fine in the whole system.
Greetings,
Chris