IMSG_VERSION
if (imsg->hdr.peerid != IMSG_VERSION) {
m_compose(p, IMSG_CTL_FAIL, IMSG_VERSION, 0, -1, NULL, 0);
imsg_compose(ibuf, IMSG_CTL_SMTP_SESSION, IMSG_VERSION, 0, -1, NULL, 0);
imsg_compose(ibuf, msg, IMSG_VERSION, 0, -1, data, len);
imsg.hdr.peerid != IMSG_VERSION)
m = imsg_create(ibuf, IMSG_CTL_MTA_BLOCK, IMSG_VERSION, 0,
m = imsg_create(ibuf, IMSG_CTL_MTA_UNBLOCK, IMSG_VERSION, 0,