Add a new variable smtpmail-retries
* doc/misc/smtpmail.texi (Server workarounds): Mention it (bug#34177). * lisp/mail/smtpmail.el (smtpmail-retries): New variable. (smtpmail-via-smtp): Use it.
* doc/misc/smtpmail.texi (Server workarounds): Mention it (bug#34177). * lisp/mail/smtpmail.el (smtpmail-retries): New variable. (smtpmail-via-smtp): Use it.